First confirm that the car and phone support Android Auto. For wired use, try the correct data-capable USB port and a known-good data cable. For wireless use, confirm Bluetooth and Wi-Fi are enabled and repeat pairing only after basic compatibility is clear.
Use normal shutdown procedures, keep hardware dry and stop if you see damage, overheating, burning smells or any electrical risk.
Checks to perform in the right order
Start with simple, reversible checks. If one step fixes the issue, stop there instead of changing unrelated settings.
Confirm Android Auto support
A USB socket alone does not prove that the vehicle supports Android Auto. Check the vehicle or head-unit documentation and make sure the feature is enabled in the infotainment settings.
Test the correct USB data port
If you use a cable, connect directly to the port intended for smartphone projection. Avoid hubs and adapters during diagnosis because they add another possible failure point.
Try a known-good data cable
A cable can charge a phone and still fail to carry data reliably. Use a short, good-quality cable that you know supports data transfer and test again without changing other settings.
Separate wired and wireless problems
If the car supports both modes, test them separately. Wired working while wireless fails points toward pairing, Bluetooth or Wi-Fi rather than general Android Auto compatibility.
Re-pair only after the basic checks
If the connection used to work, remove the stored car connection on the phone and the phone entry in the car, restart both systems and complete pairing again while parked.
How to narrow down the cause
- A second compatible phone works on the same car and cable: focus on the first phone and its settings.
- Several phones fail on the same USB port: focus on the vehicle, port, infotainment configuration or firmware.
- The phone charges but Android Auto never appears: charging power does not prove that the USB data connection is working.
Official sources used
Procedures can vary by model, firmware or hardware revision. When your device differs, use the official manufacturer documentation for that exact model.