Rexing M3 3 Channel: Your Ultimate Guide to a Safer Drive

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Struggling to figure out which dash cam offers truly all-around protection for your vehicle? Let me tell you, getting your hands on a Rexing M3 3-channel mirror dash cam is like giving your car three extra pairs of eyes, watching everything from every angle. This isn’t just about recording what’s in front of you. we’re talking about comprehensive coverage that includes your car’s interior and what’s happening behind you too. It’s a must for peace of mind, whether you’re commuting, driving for a ride-share service, or just want to keep an eye on things when you’re parked. We’ll walk through everything that makes the Rexing M3 a solid choice, from its slick mirror design to how it helps you stay safe, and even the nitty-gritty of getting it set up and running smoothly.

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What Even Is a 3-Channel Dash Cam and Why the Rexing M3?

You might be wondering, “What’s the big deal with a ‘3-channel’ dash cam anyway?” Well, think of it this way: a standard dash cam typically records just what’s happening out your front windshield. A dual-channel adds a rear camera. But a 3-channel dash cam? That takes things up a notch, giving you a full 360-degree virtual shield around your vehicle. It simultaneously captures video from three different perspectives: the road ahead, the interior of your car, and the view out your rear window.

This setup is incredibly beneficial for a few key reasons:

  • Complete Coverage: You’re literally covering all your bases. If something happens from the front, side, or rear, or even inside your car, it’s recorded. This is invaluable for insurance claims or legal disputes.
  • Ride-Share and Taxi Safety: If you drive for a service like Uber or Lyft, an interior camera is non-negotiable. It records interactions with passengers, offering an extra layer of security for both you and your riders.
  • Parking Monitoring: Many 3-channel systems, including the Rexing M3, offer parking surveillance. This means if someone bumps your car or tries to mess with it while you’re away, the dash cam can record the incident.
  • Family Monitoring: For parents, having an interior camera can provide reassurance, letting you keep an eye on kids or even pets in the back seat.

Now, why the Rexing M3 3-channel mirror dash cam specifically? This particular model stands out because it packs all that comprehensive protection into a really discreet and user-friendly package. Instead of adding another device to your windshield, it cleverly replaces your existing rearview mirror. This makes it blend right in, reducing clutter and making it less noticeable to potential thieves. Plus, it’s got a big, bright touchscreen that makes interacting with it a breeze.

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Unpacking the Rexing M3: Key Features You Need to Know

The Rexing M3 isn’t just a dash cam. it’s a surveillance hub for your car. Let’s really dig into what makes this device tick and why it’s such a popular choice for drivers looking for solid protection. Your Ultimate Guide to the Rexing V3 Plus Dash Cam: Front and Cabin Coverage for Peace of Mind

The Triple Vision: Front, Interior, and Rear Cameras

One of the biggest selling points, naturally, is its triple-camera setup. The M3 records simultaneously from its front, cabin, and rear cameras, all in 1080p Full HD resolution. That’s pretty cool because it means you’re getting clear, detailed footage from every angle, not just the front.

  • Front Camera: This one’s built into the mirror unit itself, pointing straight ahead. It typically has a wide 170° angle lens, so it captures a broad view of the road, traffic, and any incidents that might happen.
  • Interior Camera: Also integrated into the main mirror unit, this camera points into the cabin. It’s equipped with infrared IR night vision, which is super important for recording clear footage even in a dark car at night. This is especially handy for ride-share drivers.
  • Rear Camera: This external camera connects via a long cable and is designed to mount at the back of your vehicle. It also records in 1080p and often offers a wide view, essentially giving you a digital rearview mirror on the M3’s screen. It’s even waterproof, so you can install it outside if you prefer.

Mirror Design: Blending In Perfectly

One of the things I really like about the M3 is its design. It’s not a clunky box sticking out on your dashboard. Instead, it straps right over your existing rearview mirror. This not only makes it less obtrusive but also gives you a larger display than most traditional dash cams. The 12-inch IPS touchscreen is bright and responsive. You can easily swipe left or right to switch between views front, rear, cabin, or a combination of them, or swipe up and down to adjust the viewing angle of each camera on the screen. When the screen is off, it functions just like a normal mirror.

It also acts as a stream media mirror, which means it can constantly display a live feed from the rear camera, giving you an unobstructed and wider view of what’s behind you compared to a traditional mirror. And if you put your car in reverse, it often automatically displays a wide-angle view from the rear camera with parking assist lines, which is a neat bonus.

GPS Functionality: Smart Tracking for Peace of Mind

The Rexing M3 comes with a built-in GPS module, usually integrated into the power cable. This little feature is a big deal because it accurately records your driving location, speed, and time data. Why does that matter? Well, in the unfortunate event of an incident, this information provides undeniable proof of exactly where you were and how fast you were going. You can review all this data using the Rexing GPS Player App on your computer, which even shows your route on a Google Maps interface.

A quick heads-up here: Some users have noted that if you choose to hardwire the dash cam for continuous power like for parking mode, you might lose the GPS functionality if the GPS is part of the cigarette lighter cord. So, keep that in mind when planning your installation. Rexing Parking Mode Not Working: Your Ultimate Troubleshooting Guide

Parking Monitor and G-Sensor: Always Watching

These two features work together to keep your car safe even when you’re not in it.

  • G-Sensor Gravity Sensor: This sensor detects sudden movements or impacts, like if you’re in an accident or someone bumps your car. When triggered, it automatically locks the current video file, preventing it from being overwritten by loop recording. This way, crucial evidence is protected. You can usually adjust its sensitivity low, medium, high to prevent false alarms from everyday bumps.
  • Parking Monitor: With this feature enabled and usually, if hardwired, the M3 will automatically turn on and start recording if it detects vibration or impact while your vehicle is parked and the ignition is off. Some models offer different modes like time-lapse recording or buffered recording where it saves footage from before and after an event. This is like having a silent guardian for your parked car.

Loop Recording & Storage

Like all good dash cams, the Rexing M3 uses loop recording. This means it continuously records video in short segments you can usually set these to 1, 2, or 3-minute intervals. When your memory card gets full, it automatically overwrites the oldest footage, so you never run out of space to record new events.

For storage, you’ll need a high-speed Micro SD card Class 10 or higher, and the M3 supports cards up to 256GB. It’s super important to format this card regularly, especially when you first get it, to ensure reliable operation and prevent errors.

Wi-Fi Connectivity and App Control

While some sources imply Wi-Fi, the manuals and product descriptions primarily focus on GPS and the touchscreen. If Wi-Fi is available on your specific M3 model, it would allow you to connect your smartphone to the dash cam, view live footage, download recorded videos, and adjust settings through a dedicated app. This makes managing your recordings much more convenient, as you don’t always have to pull out the SD card. However, the primary method for reviewing GPS data is through the desktop Rexing GPS Player App.

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Getting Started: Rexing M3 Installation Guide

you’ve got your Rexing M3 and you’re ready to get it installed. Don’t worry, it’s pretty straightforward, even if you’re not a super tech-savvy person. The beauty of the mirror design is that it generally simplifies the main unit’s placement.

What’s in the Box? Quick Check

Before you start, make sure you have everything. Typically, your Rexing M3 package should include:

  • The Rexing M3 Mirrored Dash Cam Unit.
  • An Interior Camera usually integrated and a Rear Camera.
  • A GPS Module often built into the 12V power cable.
  • A Power Cable car charger.
  • A Rear Camera Cable.
  • Mounting Straps/Bands usually rubber.
  • A Cable Management Tool sometimes included to help tuck wires.
  • A USB Cable for connecting to a computer.
  • The User Manual your best friend through this process!.
  • Important: Remember, a Micro SD card is usually not included, so make sure you have a Class 10 or higher card, up to 256GB, ready to go.

Powering It Up: The Main Unit

  1. Mounting the Dash Cam: The M3 is designed to fit right over your existing rearview mirror. Use the provided rubber straps to secure it firmly. Make sure it’s snug and doesn’t obstruct your view. Once it’s in place, you can adjust the angle of the front camera lens to capture the road perfectly.
  2. Power Connection: Plug the car charger power cable into your vehicle’s 12V power outlet the cigarette lighter socket. Route this cable neatly around your windshield, tucking it under the trim and headliner for a clean look. The device should automatically power on and start recording when your vehicle starts. If it doesn’t, press and hold the power button for about 3 seconds.

The Interior Camera: Where to Point It

The interior camera is typically built into the main mirror unit and is often adjustable. You’ll want to aim it to get the best possible view of the cabin, covering both the driver and passenger sides.

Rear Camera Installation: The Trickiest Part But We’ve Got You

This is usually the most involved part of the installation.

  1. Mounting: You have a couple of options for the rear camera. It can be mounted on your rear windshield inside your car or on the exterior, often near the license plate, since it’s waterproof. Many users prefer external mounting to reduce glare from interior lights.
  2. Routing the Cable: This is where the cable management tool comes in handy. You’ll need to run the long rear camera cable from the main dash cam unit at the front, along your headliner, down the side pillars, and back to the rear of your vehicle. Take your time here to tuck the cable neatly under the trim pieces so it’s hidden and not flapping around.
  3. Connecting to Reverse Light Optional: The rear camera cable usually has a red wire. If you want the M3 to automatically display parking assist lines when you shift into reverse, you’ll need to connect this red wire to your vehicle’s reverse light power source. This usually requires a bit more technical know-how or a professional installer. If you skip this, the rear camera will still record, but you won’t get the automatic parking assist overlay.

Hiding Those Cables: For a Clean Look

This step makes a huge difference in how professional your installation looks. After routing all your cables power, rear camera, and GPS if separate, use the cable management tool to push them snugly under your car’s headliner, side pillars, and dashboard trim. Aim to leave only minimal visible wires. Understanding the Rexing P1 Body Camera

Initial Setup & Settings

Once everything is physically installed and powered on, it’s time for the digital setup:

  1. Insert and Format SD Card: Carefully insert your Micro SD card into the designated slot until it clicks. Then, go into the M3’s settings menu usually a gear icon on the touchscreen and find the “Format SD Card” option. This is critical for optimal performance.
  2. Basic Settings:
    • Resolution: Confirm all three channels are set to 1080p for the best quality.
    • Loop Recording: Choose your preferred segment length 1, 2, or 3 minutes.
    • G-Sensor Sensitivity: Start with “Low” or “Medium.” If you get too many false alerts, lower it. If it misses incidents, increase it.
    • Parking Monitor: If you hardwired it, enable this feature and choose your preferred mode e.g., G-sensor based or time-lapse and duration e.g., 2, 8, 12, or 24 hours.
    • Date/Time & Time Zone: Set these correctly, as they’re crucial for accurate timestamps on your footage. The GPS usually helps with this, but it’s good to double-check.
    • Audio Recording: Decide if you want audio recorded. It can be important evidence, but some people prefer it off for privacy.
    • Car OSD / License Plate: You can often input your license plate number to appear as a watermark on the video, adding another layer of authenticity.

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Daily Driving with Your Rexing M3: Tips and Tricks

Now that your Rexing M3 is all set up, let’s talk about making the most of it in your everyday driving. It’s a powerful tool, but a few habits can ensure you’re always getting the protection you paid for.

Checking Footage Regularly

It’s a good practice to occasionally review your dash cam footage, especially after any noteworthy drives or incidents. You can do this right on the M3’s 12-inch touchscreen, or by removing the Micro SD card and viewing it on your computer with the Rexing GPS Player App. This helps you confirm everything is recording correctly and familiarizes you with the interface. Don’t wait until you need the footage to find out there was an issue!

Maintenance: Keep It Running Smooth

  • Clean the Lenses: Dust, dirt, and fingerprints can easily degrade video quality. Give all three camera lenses a gentle wipe with a microfiber cloth every so often.
  • Check the SD Card: Remember to format your Micro SD card regularly – at least once a month is a good rule of thumb, especially if you haven’t transferred footage. This prevents corruption and ensures smooth loop recording. If you notice any “SD card error” messages, try reformatting it directly on the dash cam. If the problem persists, you might need a new, high-quality Class 10+ card.
  • Firmware Updates: Occasionally, manufacturers release firmware updates to improve performance or add features. Check Rexing’s website periodically for any available updates for your M3 model.

Using the App If Applicable

If your Rexing M3 has Wi-Fi connectivity, leverage the smartphone app. It makes downloading critical footage a breeze without needing to pull out the SD card. It’s also super convenient for quickly reviewing incidents or adjusting settings on the fly. Your Ultimate Guide to Rexing Dash Cam Manuals: Setup, Features, & Troubleshooting

Troubleshooting Common Issues

Even the best tech can have a hiccup. Here are a couple of common things you might run into:

  • “SD Card Error”: As mentioned, try formatting the card. If that doesn’t work, a new, reputable Class 10 or higher Micro SD card up to 256GB is usually the solution.
  • GPS Not Recording Speed/Location: If you’re using a hardwire kit that replaced the original power cable, remember that the GPS module is often integrated into the standard cigarette lighter power cord. If you’ve lost GPS functionality, that’s likely why. You might need to look into an external GPS module or an alternative hardwire setup if continuous GPS is crucial for you.
  • Blurry or Poor Quality Video: Ensure all protective films are removed from the lenses, and clean the lenses regularly. Also, check your resolution settings to make sure they’re set to 1080p for all channels.

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Is the Rexing M3 the Right Dash Cam for You? A Real Talk Review

So, after all that, is the Rexing M3 3-channel mirror dash cam truly worth your hard-earned money? Let’s break it down, pros and cons, so you can make an informed decision.

The Good Stuff Pros

  • Comprehensive Coverage: This is the big one. Getting front, interior, and rear recording all at once is fantastic for all-around protection. For ride-share drivers, parents, or anyone wanting maximum security, it’s a huge plus.
  • Discreet Mirror Design: I love that it replaces your rearview mirror. It keeps your windshield clear of clutter and makes the dash cam much less noticeable. It literally blends into your car’s interior.
  • Excellent Video Quality 1080p: Reviews often praise the M3 for producing crisp and clear videos, even at night, thanks to its 1080p resolution across all three cameras and night vision capabilities for the interior.
  • User-Friendly Touchscreen: The 12-inch IPS touchscreen is responsive and makes navigating menus and reviewing footage a breeze. Swiping to change views feels intuitive.
  • Built-in GPS: Having your speed and location automatically recorded is a massive advantage for providing evidence in case of an incident.
  • Parking Monitor & G-Sensor: These features provide crucial surveillance when your car is parked, giving you extra peace of mind against bumps or theft.
  • Straightforward Installation: While routing cables always takes a bit of effort, the core mounting and setup are considered relatively easy.

Things to Consider Cons

  • Cable Management: This isn’t unique to the M3, but routing the rear camera cable neatly can be a bit of a project. If you’re particular about a super clean install, be prepared to spend some time tucking wires.
  • GPS with Hardwire Kit: As we discussed, if you opt for a hardwire kit for parking mode, you might lose the GPS functionality if the GPS is built into the standard 12V power adapter. This is a trade-off some users have to consider.
  • Mirror Reflection: Some users mention that the mirror dash cam can slightly alter the reflection compared to a traditional mirror, which takes a little getting used to.
  • Interior Camera Night Vision Flicker: One review noted a potential flicker when the interior IR comes on, especially if combined with other internal car IR cameras like in some Tesla models.
  • Fixed Camera View Positions: A minor point, but when switching between different camera views, the device doesn’t always remember the last adjusted position, requiring you to manually adjust the view each time.

Who is the Rexing M3 Best For?

Honestly, the Rexing M3 is a fantastic option for a wide range of drivers:

  • Ride-share and taxi drivers: The triple-channel recording, especially the interior camera, is practically essential for your safety and accountability.
  • Parents: Want to keep an eye on your kids in the back? The interior camera is great for that.
  • Anyone seeking maximum security: If you want all angles covered for insurance purposes or just peace of mind, the M3 delivers.
  • Those who prefer a discreet setup: The mirror design is perfect if you don’t want another device cluttering your windshield.

Overall, the Rexing M3 offers a compelling package of features for its price point. While there are minor quirks, its comprehensive coverage, easy-to-use touchscreen, and discreet design make it a strong contender for anyone serious about vehicle surveillance. Power Up Your Protection: The Ultimate Guide to Rexing OBD Hardwire Kits

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Comparing the M3: How Does It Stack Up?

When you’re looking at dash cams, especially 3-channel ones, the market can feel a bit crowded. How does the Rexing M3 fit into all this?

The M3’s main competition often comes from other 3-channel systems that are either traditional windshield-mounted dash cams like certain Vantrue or VIOFO models or other mirror-style dash cams. The M3 generally holds its own by offering 1080p resolution across all three channels, which is a solid standard, especially when some competitors might drop the interior or rear camera resolution. The 12-inch IPS touchscreen is also a significant advantage, providing a much larger and more interactive display than many smaller-screen dash cams.

Compared to something like a basic 2-channel dash cam, the M3’s extra interior camera is its defining feature, providing a level of protection that simply isn’t possible with just two lenses. While there are 4-channel systems out there, they are typically more complex and geared towards commercial fleets. The M3 strikes a great balance for personal vehicles and ride-share drivers by offering that crucial third perspective without overcomplicating things.

When looking at alternatives, you’ll often see specific features highlighted. Some dash cams might offer 4K front recording though typically with lower resolution for other channels, or more advanced cloud connectivity. The M3 sticks to a reliable 1080p all-around and focuses on being a robust, self-contained recording system with its built-in GPS and parking monitor. Cracking the Rexing User Manual: Your Ultimate Dash Cam Guide

Ultimately, the Rexing M3 carves out its niche by combining the benefits of a large, interactive mirror display with truly comprehensive 3-channel 1080p recording and key safety features like GPS and parking surveillance, all wrapped in a relatively easy-to-install package.

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Frequently Asked Questions

How do I format the SD card on my Rexing M3?

To format the Micro SD card, first make sure the dash cam is powered on and recording has stopped. Then, tap the screen to access the menu usually a gear icon. Look for a “Format SD Card” option within the settings. Select it and confirm to erase all data and prepare the card for optimal use. It’s a good idea to do this monthly!

Does the Rexing M3 record when the car is parked?

Yes, the Rexing M3 features a Parking Monitor function that allows it to record when your vehicle is parked and the ignition is off. To fully utilize this, especially for continuous surveillance, it’s generally recommended to hardwire the dash cam to your car’s fuse box, which provides a constant power supply.

Can I use any SD card with the Rexing M3?

No, you can’t just use any SD card. The Rexing M3 requires a high-speed Micro SD card, specifically Class 10 or higher, with a capacity up to 256GB. Using a slower or incompatible card can lead to recording errors, corrupted files, or even damage to the device. Always opt for a reputable brand to ensure reliability. Powering Up Your Rexing Dash Cam with an OBD Hardwire Kit: The Ultimate Guide

How do I view footage from the Rexing M3?

You have a few ways to view footage:

  1. On the Dash Cam: Use the M3’s 12-inch IPS touchscreen to navigate through recorded files directly on the device.
  2. Via SD Card on Computer: Remove the Micro SD card from the dash cam, insert it into an SD card adapter, and then plug it into your computer. The video files are typically found in a “Video” folder. For footage with GPS data overlay, use the dedicated Rexing GPS Player App on your computer.
  3. Via Smartphone App if applicable: If your M3 model supports Wi-Fi, you can connect your phone to the dash cam and use the Rexing app to view and download videos.

What’s the difference between the Rexing M3 and M3 DE-12?

From the search results, the “DE-12” variant doesn’t appear to have significant feature differences compared to the standard Rexing M3 3-channel 1080p mirror dash cam. It’s likely a regional designation, a specific retail bundle, or a minor version update that doesn’t fundamentally change the core 3-channel 1080p mirror dash cam functionality, 12-inch screen, or main features like GPS and parking monitor. Always double-check the product description if you see specific variant names.

Is the interior camera IR Infrared?

Yes, the interior camera on the Rexing M3 is equipped with infrared IR night vision. This means it can record clear video of the car’s cabin even in completely dark conditions. This feature is particularly useful for ride-share drivers or for monitoring the car’s interior overnight.

How do I install the rear camera?

Installing the rear camera involves mounting it at the back of your vehicle either inside on the rear windshield or outside near the license plate and then routing its cable to the main dash cam unit at the front. You’ll typically tuck the cable under your car’s headliner and trim for a clean, hidden look. If you want the parking assist function, you’ll also connect a specific red wire from the rear camera cable to your car’s reverse light power source.

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