You have just purchased a new dash cam system, and you are eager to get it installed. You carefully mount the front camera on the windshield, route the cable, and plug it in. But then you stop and stare at the back of your car, holding the rear camera in your hand, wondering where exactly it should go. This moment of hesitation is more common than you think, and getting the placement wrong can mean the difference between capturing crucial evidence and having a useless, blurry video of your trunk lid.
In 2026, with more vehicles on the road than ever and insurance companies increasingly relying on video evidence to determine fault, proper dash cam installation is no longer optional—it is essential. This guide will walk you through every possible mounting location for your rear dash cam, explaining the pros and cons of each, the legal considerations you must know, and the practical tips that professional installers use. By the end of this article, you will know exactly where to place your rear camera to get the best field of view, the clearest footage, and the most reliable performance.
The Gold Standard: Center Top of the Rear Windshield
most recommended location for a rear dash cam is at the top center of the rear windshield, just below the headliner. This position mirrors the ideal placement for your front camera and provides the most balanced, unobstructed view of the road behind you. When mounted here, the camera can see from lane to lane, capturing vehicles approaching from either side, and it has a clear line of sight to the horizon. This is the position that professional installers and dash cam manufacturers almost universally recommend for sedans, hatchbacks, and SUVs.
One of the main advantages of this placement is that it keeps the camera out of your rearview mirror's line of sight and away from rear passengers. It also allows the camera to sit high enough to avoid glare from headlights directly behind you, which can wash out the image. For example, if you drive a 2025 Toyota Camry, mounting the camera at the top center of the rear glass will give you a perfect view of the lane behind you, including the brake lights of the car three vehicles back. The camera's wide-angle lens, typically 140 to 170 degrees, will capture the full width of the road.
However, there are a few considerations. If you have a rear windshield wiper, you need to ensure the camera is mounted above the wiper's arc so the blade does not hit the lens. Also, if your vehicle has a rear window defroster with visible grid lines, the camera will need to be mounted slightly off-center to avoid the defroster wires, which can cause a slight blur in the footage. In practice, you can mount the camera directly over the defroster lines, but you may notice a faint grid pattern in your video. Most modern dash cams have image sensors that handle this well, but it is something to test before finalizing the installation.
The SUV and Minivan Solution: Exterior Mounting on the Liftgate
For vehicles with large rear liftgates, such as SUVs, minivans, and crossover SUVs, the interior rear windshield placement can be problematic. When you open the liftgate, the camera tilts with the glass, pointing at the sky or the ground, and the cable must be routed through a complex hinge mechanism. In 2026, many drivers of vehicles like the Honda Odyssey or Ford Explorer are turning to exterior-mounted rear cameras that attach directly to the license plate or the liftgate handle. This solution keeps the camera fixed in place regardless of whether the rear glass is open.
Exterior mounting provides a consistent field of view and eliminates the cable-routing nightmare of interior installations. The camera is typically housed in a weatherproof casing and connects to the main unit via a waterproof cable that runs through the vehicle's existing rubber grommets. For example, the popular Viofo A229 Pro system offers an optional exterior rear camera that mounts just above the license plate, giving a clear view of the road behind without any glass distortion. This placement is also ideal for pickup trucks with camper shells or vans with solid rear doors.
The downside to exterior mounting is that the camera is exposed to the elements—rain, snow, mud, and road salt. You will need to clean the lens regularly, and the camera may be more susceptible to theft or vandalism. Additionally, some states have laws restricting what can be mounted on or near the license plate, so you must check local regulations. In practice, if you drive a vehicle where the rear glass opens independently from the main body, an exterior mount is often the only practical choice for a permanent, reliable installation.
Key Takeaways
- ✓ The ideal placement for most vehicles is the top center of the rear windshield, just below the headliner, for a balanced and unobstructed view.
- ✓ For SUVs and minivans with liftgates, an exterior mount on the liftgate or license plate area provides a more reliable and consistent field of view.
- ✓ Pickup trucks and vans require specialized mounting solutions, such as third-brake-light brackets or exterior mounts on rear doors.
- ✓ Always check your state's laws regarding windshield obstructions, audio recording consent, and license plate visibility before installing.
- ✓ Route the camera cable along the headliner and door seals, mount the camera high on the glass, and test the angle to ensure the horizon is centered in the frame.
Frequently Asked Questions
Can I mount my rear dash cam on the rear bumper or trunk lid?
Yes, you can mount a rear dash cam on the exterior of your trunk lid or rear bumper, but this is not recommended for most drivers. Exterior mounts expose the camera to weather, theft, and road debris. However, if you drive a convertible or a vehicle with no rear window, an exterior mount is your only option. Use a weatherproof camera and secure the cable through a rubber grommet in the trunk or tailgate.
Will a rear dash cam work through tinted windows?
Most dash cams work through factory-tinted windows, but aftermarket tint can cause issues. Darker tints reduce the amount of light reaching the camera sensor, resulting in grainy or dark footage at night. If you have aftermarket tint, consider an exterior mount or a camera with a larger image sensor and better low-light performance, such as those using the Sony STARVIS sensor.
How do I route the rear camera cable without damaging my car's interior?
Use a plastic trim removal tool to gently pry up the edge of the headliner and door seals. Tuck the cable into the gap, running it along the top of the door frame, down the A-pillar, and under the dashboard. Avoid running the cable near side curtain airbags, and never force the cable into a tight space. Many vehicles have existing wiring channels that you can follow.
What is the best way to mount a rear camera in a pickup truck with a camper shell?
The best method is to mount the camera on the interior of the camper shell's rear window, using a strong adhesive mount. Run the cable through the shell's existing wiring conduit or along the roof. If the shell has no window, mount the camera on the exterior of the shell's rear door, using a waterproof housing and routing the cable through a sealed grommet.
Can I use a wireless rear dash cam to avoid running cables?
Yes, wireless rear dash cams are available in 2026, but they have limitations. They typically use a Wi-Fi or RF connection between the front and rear units, which can suffer from interference or signal dropouts. They also require separate power sources for each camera, meaning you still need to run a power cable to the rear camera. For most users, a wired connection is more reliable and provides higher video quality.
Tony Kilmer is an auto mechanic and the author behind CarTruckAdvisor.com. He shares practical, no-nonsense guidance on car and truck maintenance, common problems, and repair decisions—helping drivers understand what’s going on and what to do next.
