Use a short, high-quality USB cable (data-capable) in the car's data port, update Android Auto and Google Play services, clear Android Auto's cache, then forget the car in Android Auto settings and the car's phone list and set it up again.

Why this happens

Wired Android Auto needs a stable USB data connection. Charge-only or worn cables cause disconnects. Wireless Android Auto uses Bluetooth to start, then Wi-Fi to stream, so both must work and the phone must be allowed to connect.

On Android 10 and later, Android Auto is built into the phone; updates arrive via the Play Store.

Signs of the problem

  • Nothing happens when you connect the phone.
  • Android Auto disconnects randomly.
  • “Can't connect to Android Auto” messages.

Common causes

  • Bad or charge-only USB cable.
  • Outdated Android Auto/Play services.
  • Car or phone saved connection corrupted.
  • Battery optimisation or permissions blocking.

Fixes to try, in order

  1. Swap the cableUse a short (under 1 m), quality USB cable and the car's data port (often marked with a phone or smartphone icon).
  2. Update appsPlay Store → update Android Auto, Google Play services, Google Maps and the Google app.
  3. Clear cacheSettings → Apps → Android Auto → Storage → Clear cache.
  4. Reset the pairingAndroid Auto settings → Previously connected cars → forget all; delete the phone in the car's menu; reconnect.
  5. Battery optimisationSet Android Auto to Unrestricted in app battery settings.
  6. Wireless Android AutoMake sure Bluetooth and Wi-Fi are on and the car supports wireless; restart both.
How to tell it worked: Android Auto starts on the car screen within a few seconds of connecting and stays connected.

Prevent it from coming back

Keep a dedicated good cable in the car and update apps regularly.