The video signal runs through a yellow LVDS cable. You must unplug the factory video cable from the back of the screen and insert the Road Top cable in between. This cable is fragile. If you bend the pins, you will lose your screen.
| Brand | Models Supported | Factory Screen Required | Known Issues | | :--- | :--- | :--- | :--- | | | 1,2,3,4,5,6,7 Series (CIC & NBT systems) | 6.5" or 8.8" | None. Gold standard. | | Audi | A3, A4, A5, A6, Q5 (MMI 3G+) | Non-touch screen | Audio via AUX only. | | Mercedes | A/B/C/E/GLK Class (NTG 4.0/4.5) | 7" Command screen | Scroll wheel click required for selection (no touch). | | Lexus | RX, NX, IS, GS (2014-2019) | Mouse/Joystick screen | Slight cursor lag on mouse. | | Mazda | MX-5, Mazda 3 (2014-2018) | TomTom based screen | Requires USB hub swap. | roadtop carplay update
For millions of drivers, the car they love is held back by the technology they loathe. If your vehicle rolled off the assembly line between 2010 and 2017, you likely have a factory infotainment system that feels prehistoric compared to the supercomputer in your pocket. You have a beautiful screen, perhaps even a navigation system—but it is clunky, the maps are outdated, and the voice recognition misunderstands every command. The video signal runs through a yellow LVDS cable
This is not an "update" to your car's system, but rather a second screen. It plugs into your 12V cigarette lighter. It has a built-in speaker (or uses FM transmitter to play through your radio). If you bend the pins, you will lose your screen
Road Top does not work with Ford Sync, Chevy MyLink, or Tesla. Part 7: Troubleshooting Common "Update" Failures Even with a perfect install, things go wrong. Here is the Road Top support cheat sheet.
Could you sell your car and buy a new one with native CarPlay? Yes. That will cost you $30,000. Or, you can spend a Saturday afternoon in your garage, watch a YouTube tutorial, and breathe new life into the car you already love.
The Road Top decoder is about the size of a deck of cards. You tuck it behind the glovebox or inside the center console cavity. You run a microphone (for Siri/phone calls) up the A-pillar.