Use Android Auto’s Quit developer mode command. On your phone, open Settings, search for Android Auto, open Android Auto settings, tap the top-right Menu, and choose Quit developer mode. This exits developer mode without using Forget all cars, the separate command that removes remembered vehicles and can force you to pair again.
The safe reset: quit developer mode, not “Forget all cars”
Android Auto has two different kinds of reset that are easy to confuse. Quit developer mode turns off Android Auto’s developer mode. Forget all cars deletes the remembered-car list. If your priority is keeping your current car connection, use the first command and leave the second alone.
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Google’s documented exit procedure is to search for Android Auto in your phone’s Settings, open Android Auto settings, open the Menu, and tap Quit developer mode. Google does not document a separate one-tap command that resets every developer preference while guaranteeing that every saved car pairing remains intact. In practical terms, quitting developer mode is the supported reset or exit operation.
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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallDo not tap Settings > Connected devices > Connection preferences > Android Auto > Previously connected cars > Forget all cars as part of this procedure unless you accept pairing the phone and car again. Google presents that control as a troubleshooting step, particularly when connecting to another car, rather than as a developer-mode switch.
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Before you change anything
Decide whether you are trying to leave developer mode or repair a connection problem. If Android Auto is currently connected and you are collecting a bug report or other diagnostics, park safely and keep the phone and vehicle display connected until you finish collecting them. Do not operate the phone while driving.
- Keep the phone unlocked long enough to complete the settings changes.
- Write down any developer option you intentionally changed, such as a logging or video-related setting, so you can restore it selectively if needed.
- Do not delete the vehicle from the car’s infotainment system or from the phone’s Bluetooth list unless you are deliberately starting a new pairing.
- If you use a wireless setup, leave Bluetooth, Wi-Fi, and Location Services available while you test the result.
- If you use a wired setup, leave the existing USB data cable connected while you exit developer mode, then test before replacing other settings.
There is no published authoritative statistic that tells you how often quitting developer mode fixes a connection. Treat it as a controlled configuration change, not a guaranteed cure for every Android Auto failure.
Step-by-step: exit Android Auto developer mode
- Park safely. If you are gathering diagnostics, keep the phone connected to the vehicle display while you work.
- Open Settings on the phone. Use the phone’s main Settings app rather than a menu on the car display.
- Search for “Android Auto.” Select the Android Auto settings result. On some Android versions the page is under connected-device or connection-preference settings, but the Settings search is the most reliable route.
- Open the version information. Tap Version or Version and permission info. The exact label varies by Android Auto release.
- Enable developer settings only if necessary. If developer settings are not already active, tap Version and permission info ten times. When Allow development settings? appears, tap OK. This step exposes the developer menu; it does not erase a car pairing.
- Open the Android Auto Menu. Tap the three-dot Menu in the top-right corner. If you need to inspect or adjust a developer option first, select Developer settings.
- Quit developer mode. Open the same Menu and tap Quit developer mode. Confirm any prompt Android Auto displays.
- Reconnect normally. Return to the car and start Android Auto using the usual wired or wireless procedure. Do not select Forget all cars during this process.
Google’s wording for the final action is: “To exit developer mode for Android Auto on your phone: Go to Settings and then search ‘Android Auto’ and select Android Auto settings; Select Menu and tap Quit developer mode.” The command is specifically an exit from developer mode; it is not the remembered-car reset.
What quitting developer mode changes—and what it does not
Quitting developer mode changes Android Auto’s developer-mode state. It does not intentionally clear the list of vehicles that Android Auto remembers. Your car may still need a normal reconnect if the infotainment system was restarted or the USB cable was unplugged, but that is different from deleting the pairing record.
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The command also should not be interpreted as a full Android Auto application-data reset. Google’s published help does not promise that every experimental value returns to a factory default, nor does it provide a guaranteed command that clears all developer preferences while preserving every vehicle. If a particular option caused the problem, the safer approach is to re-enter Developer settings, change only that option, and test after each change.
Vehicle-side menus are independent. A car can have its own forget phone, delete device, or Bluetooth-removal command. Using one of those controls removes the vehicle’s record of the phone and normally requires pairing again, even if you already quit Android Auto developer mode.
Recovery options compared
Use the least destructive action that addresses your symptom. The table separates developer-mode changes from actions that remove connection data.
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1Repair Windows errors before they cause bigger problems2Fix the driver behind crashes, sound loss and screen glitches3Clear out junk files and repair common Windows errors| Action | Remembered cars | What it changes | Connection types | Is re-pairing normally required? |
|---|---|---|---|---|
| Quit developer mode | Preserved | Exits Android Auto developer mode; Google does not state that it resets every developer preference | Applies to Android Auto generally, whether your car is wired or wireless | No, although a normal reconnect may still be needed |
| Change one developer option | Preserved | Changes only the selected experimental or diagnostic setting | Depends on the option and the connection being tested | No |
| Forget all cars | Removed | Clears Android Auto’s remembered-car list; Google lists it as a troubleshooting step | Can affect both wired and wireless vehicle records | Yes, pair the phone and car again |
| Forget phone on the car | Vehicle-side record removed | Deletes the phone from the infotainment system; the menu name varies by manufacturer | Usually affects the vehicle’s Bluetooth and projection relationship | Yes |
| Replace a USB data cable | Preserved | Replaces the physical data path, not Android Auto settings | Wired only | No, provided the phone and car remain paired |
| Restart the infotainment system | Preserved | Clears a temporary head-unit state; the restart method is manufacturer-specific | Wired and wireless | Usually no |
“Not stated” is the appropriate answer for any claim that quitting developer mode resets every hidden preference: Google documents the exit action but does not publish a complete preference-reset specification.
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If Android Auto still does not connect after quitting developer mode
Work through connection-specific checks before deleting remembered cars. This order preserves the pairing information while addressing the most common physical and setup causes.
For a wired connection
- Check the cable. Use a cable that supports data, not a charge-only cable. Inspect both connectors for looseness, bent contacts, dirt, or strain damage.
- Try another known-good USB data cable. Google’s troubleshooting guidance specifically recommends checking for the best USB cable. A cable can charge the phone while failing to carry the data connection Android Auto needs.
- Use the vehicle’s intended USB port. Some vehicles have one projection-capable port and additional charge-only ports. The correct port is identified in the vehicle manual or by its Android Auto or smartphone symbol.
- Restart the car’s infotainment system. Use the manufacturer’s documented restart method. A head unit can remain in a failed USB state even when the phone is working normally.
- Reconnect after the system is ready. Unlock the phone if prompted and accept any Android Auto permission request. Test again before changing more settings.
Replacing a cable cannot repair a wireless-pairing or vehicle-firmware problem. It is a targeted test for the wired data path.
For a wireless connection
- Leave Bluetooth on. Google says wireless Android Auto starts after the phone and car pair over Bluetooth.
- Leave Wi-Fi on. Wireless projection uses the phone-to-car Wi-Fi connection after the initial pairing process.
- Leave Location Services on during setup. Google recommends Bluetooth, Wi-Fi, and Location Services for the best wireless setup results.
- Confirm the car supports wireless Android Auto. A vehicle may support wired Android Auto but not wireless projection; compatibility is specific to the vehicle, infotainment unit, trim, market, and firmware.
- Restart the infotainment system and try again. If the phone pairs but projection does not start, verify that Android Auto is enabled in the car’s settings.
Do not use Forget all cars merely because wireless projection takes a few seconds to start. Reserve that action for a later recovery attempt when you are prepared to pair again.
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Bluetooth pairing alone does not prove that Android Auto projection is enabled. Check the vehicle’s projection or smartphone-integration setting, then restart the infotainment system. Some vehicles require you to select the phone or Android Auto icon on the display after Bluetooth connects.
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If the car has multiple phone profiles, make sure the intended phone is selected as the active device. A vehicle may remember several phones but permit only one projection session. The exact labels and menus are manufacturer-specific, so use the vehicle manual or the manufacturer’s support instructions for that infotainment system.
If the issue is limited to one vehicle, contact that vehicle manufacturer about Android Auto compatibility and infotainment firmware. Google directs users to the vehicle manufacturer for compatibility or connection problems because the head-unit software and available USB or wireless features are controlled by the manufacturer.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Using “Forget all cars” as a last resort
Forget all cars is appropriate when the remembered-car database itself appears corrupted, when you are changing to a different vehicle and the old record interferes, or when support specifically instructs you to rebuild the pairing. It is not the normal way to leave developer mode.
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- Confirm that you have the vehicle’s pairing instructions and any required PIN or approval steps.
- Open Android Auto settings and go to Previously connected cars.
- Choose Forget all cars and acknowledge the warning.
- On the vehicle, remove the phone as well if the manufacturer’s instructions require both sides to be cleared.
- Restart the infotainment system.
- Pair the phone and vehicle again using the manufacturer’s procedure. For wireless Android Auto, keep Bluetooth, Wi-Fi, and Location Services on during setup; for wired Android Auto, use a capable USB data cable.
After this operation, the previous remembered-car list is gone. The phone and car must establish a new relationship; quitting developer mode before or after the rebuild does not restore deleted vehicle entries.
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Common mistakes and their consequences
- Tapping “Forget all cars” while looking for developer settings: removes remembered vehicles and can trigger a full re-pairing process.
- Deleting the phone from the car first: creates a vehicle-side deletion even if Android Auto’s phone-side record remains.
- Assuming charging proves the USB cable works: a charge-only or damaged cable can provide power without reliable Android Auto data.
- Turning off wireless prerequisites during setup: disabling Bluetooth, Wi-Fi, or Location Services can prevent the wireless setup sequence from completing.
- Changing several developer options at once: makes it difficult to identify which setting affected behavior. Change one option, test, and record the result.
- Testing while driving: creates an avoidable safety risk. Make settings changes while parked.
A decision path that preserves your connection
- You only want developer mode off: use Quit developer mode. Stop there and test the existing connection.
- A developer option caused a new symptom: re-enter Developer settings and reverse only that option, then test. Do not clear remembered cars first.
- Wired Android Auto fails: inspect the cable and USB port, try a known-good data cable, and restart the infotainment system.
- Wireless Android Auto fails: keep Bluetooth, Wi-Fi, and Location Services on, confirm wireless compatibility, verify Android Auto is enabled in the car, and restart the head unit.
- The phone and car still cannot establish a relationship: consult the vehicle manufacturer about compatibility and firmware.
- Support or the symptoms point to corrupted pairing data: use Forget all cars only after accepting that every vehicle will need to be paired again.
What to expect after the reset
After tapping Quit developer mode, Android Auto should be out of developer mode while your remembered-car entries remain available. The next connection may still show a permission prompt, require the car’s projection interface to be selected, or need the infotainment system restarted. Those prompts are normal connection steps, not evidence that the car was forgotten.
If Android Auto reconnects, leave the rest of the configuration unchanged. If it does not, follow the wired or wireless branch above and make one change at a time. A persistent vehicle-specific failure belongs with the vehicle manufacturer, particularly when a firmware update or head-unit compatibility issue is suspected.
The Bottom Line
To leave Android Auto developer mode without intentionally deleting your car, open Settings, search for Android Auto, open its settings, tap the three-dot Menu, and choose Quit developer mode. Avoid Forget all cars unless you are ready to pair the phone and vehicle again.
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