Car Alarm: Incompatible vehicles and accessories
Ring Car Alarm connects to your vehicle's On-Board Diagnostics II (OBD-II) port to provide security alerts. Some vehicles and third-party accessories are not compatible with Car Alarm because they lack a standard OBD-II port or interfere with the device's connection.
What to know
- Requirement:Your vehicle must have a standard OBD-II port.
- OBD-II port location:Under the dashboard in the driver or passenger footwell. Consult your vehicle's owner's manual for the exact location and instructions on removing any panel coverings.
- Incompatible vehicles:BMW i3, all Lucid models, Polestar 2, Polestar 4, all Tesla models, Volvo EX30 EV, and all vehicles manufactured before 1996.
- Incompatible accessories:All third-party OBD-II accessories, including Bluetooth adapters, pass-through cables, and splitters.
Vehicles incompatible with Car Alarm
Car Alarm does not work with the following vehicles because they do not have a standard OBD-II port:
Make | Model | Year(s) |
|---|---|---|
BMW | i3 | 2014 to 2021 |
Lucid | All models | All years |
Polestar | Polestar 2 | 2021 to current |
Polestar | Polestar 4 | 2025 to current |
Tesla | All models | All years |
Volvo | EX30 EV | 2024 to current |
All makes | All models | Before 1996 |
Accessories incompatible with Car Alarm
Ring does not recommend using third-party OBD-II accessories with Car Alarm, including:
- Bluetooth adapters
- Pass-through cables
- Splitters
How to find your vehicle's OBD-II port
The OBD-II port is typically located under the dashboard in the driver or passenger footwell. To locate your specific port:
- Check your vehicle's owner's manual for the exact OBD-II port location.
- Remove any panel coverings as instructed in your owner's manual.
Frequently asked questions
Can I use a splitter to connect Car Alarm and another OBD-II device at the same time?
No. Ring does not recommend using splitters or any third-party OBD-II accessories with Car Alarm. These accessories can prevent Car Alarm from functioning. Refer to the "Which accessories are incompatible with Car Alarm?" section for the full list.
My vehicle is not on the incompatible list. Is it guaranteed to work?
If your vehicle was manufactured in 1996 or later and has a standard OBD-II port, Car Alarm should be compatible.