These instructions apply to the Audi A3 Mk3 (8V) 2012-2020.
For other models, please choose your vehicle here.
If the electric windows on your Audi A3 (8V, 2012–2020) have stopped going up with a single touch — they now only move while you hold the switch, with no auto-close from the key — the window controller has lost its calibration. It happens after the battery is disconnected or goes flat, after a fuse is pulled, or after a regulator or motor is replaced. The fix is a quick re-initialisation you can do yourself in under a minute per window, with no tools.
Why One-Touch and Anti-Pinch Disappear
Each door module needs to know exactly where the fully-closed position is so it can run the glass automatically and stop it if it meets resistance (the anti-pinch safety function). When power is interrupted, the module clears that end stop as a precaution. Until you re-teach it, the window only inches while you hold the switch, and the comfort-open/close from the remote will not work.
Before You Start
- Sit in the car with the doors closed.
- Switch the ignition on (engine off is fine; the switches must be live).
- Keep hands and objects clear of the glass — during the relearn the anti-pinch protection is not active.
How to Re-initialise an A3 8V Window
Do this one window at a time, starting with the driver’s door:
- Turn the ignition on.
- Press and hold the window switch up until the window is fully closed.
- Hold for a moment at the top, then release the switch and wait about 1 second.
- Check operation — pull the switch up briefly; the window should now run fully closed on its own.
- Repeat for the passenger window (and the rears on Sportback models).
Once re-initialised, the one-touch up/down returns, the anti-pinch protection is active again, and the windows respond to comfort-open and close from the remote.
If the Window Still Won’t Auto-Close
- You didn’t hold long enough: the most common cause — repeat and hold the switch up a clear moment after the window seats.
- Glass binding: a dry or twisted runner stops the module seeing a clean end stop. Clean and lubricate the channel, then retry.
- Anti-pinch keeps reversing the glass: friction (often a stiff seal in cold weather) makes the module think it has hit an obstacle. Warm the car, lubricate the rubbers and relearn again.
- Only happened after a battery job: that is expected — the window relearn is one of the steps in our A3 8V battery disconnect/reconnect guide.
- No window will calibrate: if the motor strains or is silent, the regulator, motor or switch may be at fault and a body-control code may be stored — check it on autodtcs.com.
Frequently Asked Questions
Do I need a diagnostic tool to reset the A3 windows?
No. The relearn is done entirely with the window switch as described. A scan tool is only needed if a genuine fault is stored after a motor or regulator failure.
Why did more than one window lose one-touch at once?
Because they lost power together — almost always after a flat or disconnected battery or a pulled fuse. Re-initialise each one and they all come back.
Is the anti-pinch safety working during the relearn?
No — that is why you must keep hands and objects clear of the glass while teaching the end stops. Full protection returns once calibration is complete.
How long do I hold the switch?
Hold the close switch up until the window is fully shut, pause a moment, then release and wait about a second so the module stores the closed position.
If you also need to clear a service reminder after the work, see our Audi A3 8V service indicator reset guide.
Independent guide — not affiliated with Audi. Always follow your official service manual and safety precautions. Read our full disclaimer.