Audi A3  Setting off  Doors and windows  Central locking system
Applies to vehicles: with convenience key
The front doors and the boot lid can be locked and unlocked without handling the remote control key.
To unlock the door automatically, take hold of the driver's/front passenger's door handle Fig. 1.
Then pull the door handle to open the door.
To unlock/open the boot, press the release catch on the boot lid Fig. 2.
To lock the vehicle, move the selector lever to position P (automatic gearbox), close the door and touch the sensor on the driver's door handle once WARNING!. Do not take hold of the door handle while doing so.
The vehicle can be locked/unlocked from the front doors and boot lid only. The remote control key has to be within a range of about 1.5 metres of the relevant door or the boot lid. It does not matter where you carry the key, for instance whether it is in your jacket pocket or in a handbag or briefcase.
The locking function may be affected if you grasp the door handle while the vehicle is being locked.
Once the doors have been locked, they cannot be opened again immediately. This will enable you to check that the driver's door is properly closed.
The system will unlock either the whole vehicle or one door only, depending on the settings you have chosen on the driver information system* (MMI*) Link.
On vehicles with an anti-theft alarm system*, do not leave anyone (especially children) in the car if it is locked from the outside and the safelock mechanism* is activated: the doors and windows cannot then be opened from the inside Link. Locked doors could delay assistance in an emergency, potentially putting lives at risk.
Applies to vehicles with start/stop system and START ENGINE STOP* button: The ignition remains on when the start/stop system stops the engine. Before leaving the vehicle, ensure that the ignition is switched off Link. Otherwise it will not be possible to lock the vehicle.
Please note the following points if the vehicle is left parked for long periods:
  • To save electrical power, the proximity sensors are switched off after a few days. You will then need to pull the door handle once to unlock the vehicle, and a second time to open it.
  • To prevent the battery from becoming discharged and thus maintain the vehicle's starting ability for as long as possible, the power management system will gradually switch off convenience functions that are not required. In this case you may not be able to unlock the vehicle with this convenience function.

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