How to Fix Android Auto Not Starting Automatically
Applies to
Android Auto, Android phones, wired Android Auto, wireless Android Auto, compatible cars, and compatible infotainment systems
Last updated
10 July 2026
Problem
Android Auto works when you open it manually, but it does not start automatically when you connect your phone to the car. You may need to tap Android Auto on the car screen, reconnect the cable, unlock the phone, or start the connection again each time.
This can happen because auto launch settings are disabled, the car connection is not trusted, Bluetooth or Wi-Fi is not ready, the USB cable is unreliable, or battery saving settings are stopping Android Auto from starting in the background.
Solution
Check Android Auto start settings, make sure the phone and car are properly paired, keep Bluetooth and Wi-Fi enabled for wireless Android Auto, and remove then reconnect the car if Android Auto still does not launch automatically.
Step by step instructions
Check Android Auto settings on your phone
Open Settings on your Android phone.
Search for Android Auto.
Open Android Auto settings.
Look for options related to starting Android Auto automatically.
Depending on your phone and Android version, this may include settings for starting Android Auto when connected to a car or when Bluetooth connects.
Turn on the options that allow Android Auto to start automatically.
Check previously connected cars
In Android Auto settings, open Previously connected cars.
Check whether your car is listed.
If the car is listed as rejected, disabled, or not allowed, remove it and reconnect.
If your car appears more than once, remove duplicate entries.
A duplicate or old car profile can stop Android Auto from starting reliably.
Unlock your phone during first setup
For the first connection after setup, update, or reset, unlock your phone before connecting.
Watch for permission prompts.
Approve prompts for:
- Android Auto
- Bluetooth
- Wi-Fi
- Location
- Phone
- Contacts
- Messages
- Notifications
- Microphone
If Android Auto is waiting for permission, it may not start automatically on the car screen.
Check the car projection settings
Open your car infotainment settings.
Look for Android Auto, smartphone projection, app projection, phone projection, or connected device settings.
Make sure Android Auto is enabled.
Some cars also have a setting that controls whether Android Auto launches automatically when a known phone connects.
If your car has this option, enable it.
Use the correct USB port for wired Android Auto
If you use wired Android Auto, make sure the phone is connected to the USB port that supports Android Auto.
Some USB ports only charge devices.
Use the front USB port marked with a phone, smartphone, USB, or data symbol if available.
If Android Auto only starts when you move the cable or reconnect it, the port or cable may be the issue.
Use a reliable USB data cable
A weak cable can prevent Android Auto from starting automatically.
Use a short, good quality cable that supports data transfer.
Avoid:
- Charging only cables
- Damaged cables
- Loose cables
- Very long cables
- USB hubs
- Extension leads
- Adapters
A cable may charge your phone but still fail to trigger Android Auto properly.
Keep Bluetooth and Wi-Fi enabled for wireless Android Auto
Wireless Android Auto needs Bluetooth and Wi-Fi.
Bluetooth usually starts the connection.
Wi-Fi handles the main Android Auto session.
Make sure both are turned on before starting the car.
If you turn Wi-Fi off manually, wireless Android Auto may not start even though Bluetooth connects for calls.
Check Bluetooth pairing
Open Bluetooth settings on your phone.
Find your car in the paired devices list.
Make sure it connects automatically.
If the phone does not connect to the car by Bluetooth, remove the pairing and set it up again.
Also delete the phone from the car’s Bluetooth list before pairing again.
Turn off battery saver
Battery saving settings can stop Android Auto from starting in the background.
Open Settings on your phone.
Go to Battery.
Turn off battery saver or power saving mode.
Then check battery settings for:
- Android Auto
- Google Maps
- Google Play services
- Bluetooth
Set them to unrestricted or not optimised if your phone offers that option.
Update Android Auto and Google apps
Open the Google Play Store.
Update:
- Android Auto
- Google Maps
- Google Play services
- Phone
- Messages
- Your preferred music apps
Restart your phone after updating.
If Android Auto stopped starting automatically after an update, installing the latest app updates may fix it.
Restart the phone and car system
Disconnect the phone.
Restart your Android phone.
Turn the car off fully.
Open and close the driver door if needed so the infotainment system powers down.
Wait briefly.
Start the car again.
Reconnect or allow wireless Android Auto to start.
Remove and reconnect the car
If Android Auto still does not start automatically, reset the connection.
Open Settings on your phone.
Search for Android Auto.
Open Previously connected cars.
Remove your car.
Then delete your phone from the car’s Bluetooth or connected devices list.
Restart both the phone and car.
Set up Android Auto again from the beginning.
Test automatic start again
After reconnecting, turn the car off.
Wait for the infotainment system to shut down fully.
Start the car again.
For wired Android Auto, plug in the phone and wait.
For wireless Android Auto, leave Bluetooth and Wi-Fi on and keep the phone nearby.
Check whether Android Auto opens by itself or appears as an available option on the car screen.
Optional methods or tools
- Use Android Auto settings to review previously connected cars
- Use a reliable USB data cable for wired Android Auto
- Use wired Android Auto if wireless auto launch is unreliable
- Update your car infotainment system if the manufacturer provides updates
- Remove old Bluetooth pairings from both the phone and car
- Check the car manual for automatic projection or smartphone connection settings
Best practices or tips
- Keep Bluetooth and Wi-Fi enabled for wireless Android Auto
- Use the same reliable cable and USB port for wired Android Auto
- Approve all first time setup prompts while parked
- Keep Android Auto and Google Play services updated
- Remove duplicate car profiles if Android Auto behaves inconsistently
Android Auto not starting automatically is usually caused by auto launch settings, old connection profiles, Bluetooth pairing problems, USB cable issues, or battery saving restrictions. Checking both the phone settings and car projection settings is important because either side can stop Android Auto from launching.
The most reliable fix is to remove the old car connection from Android Auto, delete the phone from the car, restart both systems, and set up the connection again. Once the phone and car trust each other properly, Android Auto should start automatically when connected by USB or when wireless Android Auto detects the vehicle.
