Audi A4 Owners & Service Manuals

Audi A4: Child safety lock

The child safety lock prevents the rear doors from being opened from the inside and the rear power windows from being operated.

Opening and closing
Fig. 37 Drivers door: controls

Opening and closing
Applies to: vehicles with manual child safety locks
Fig. 38 Rear door: manual child safety lock

Vehicles with button

Applies to: vehicles with power child safety locks

  • To activate and deactivate the child safety lock (door handle and power window switch) for the a rear door, press the left or right button in the driver's door (1) that corresponds to that rear door > fig. 37. The indicator light in the button turns on/blinks.
  • Make sure the child safety lock is working by checking the function on the rear power window switch and door handle.

Vehicles with button

Applies to: vehicles with manual child safety locks

  • To activate or deactivate the child safety lock for the power window switch in the rear doors, press the & button in the driver's door 2 => fig. 37. The indicator light in the button turns on/blinks.
  • To activate or deactivate the manual child safety lock for the rear door handle, open the respective rear door and turn the key switch with the mechanical key in the direction of the arrow or opposite the direction of the arrow > fig. 38.

    This will disable the function of the rear door handle.

  • Make sure the child safety lock is working by checking the function on the rear power window switch and door handle.

When the child safety lock is switched on, the following functions are disabled:

  • The rear inner door handles
  • The rear power windows
  • The control panel* for the climate control system in the rear

Applies to: vehicles with power child safety locks:

It is not possible to operate the rear climate control system* when the child safety lock is activated.

The SET REAR function allows you to adjust all settings in the rear using the climate control system controls in the cockpit.

Message in the instrument cluster display

The following messages may appear depending on the vehicle equipment:

Child safety lock: malfunction! Please contact Service

There is a malfunction in the child safety lock.

Press the button again.

If the message stays on, drive immediately to an authorized Audi dealer or authorized Audi Service Facility to have the malfunction repaired.

WARNING

  • Observe the safety precautions.
  • A malfunction in the child safety lock could allow the rear doors to be opened from the inside, which increases the risk of an accident.

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