Audi A4: Unlocking and locking the vehicle
Fig. 27 Door handle: sensor for locking
Depending on the vehicle equipment, you may
have various options for unlocking and locking
your vehicle. The settings in the MMI specify
which doors will unlock.
Unlocking or locking using the vehicle key
buttons
- To unlock the vehicle, press the
button, fig. 26.
- To lock the vehicle, press the
button once.
Unlocking or locking using the sensors
Applies to: vehicles with convenience key
Unlocking and locking with the Audi connect
vehicle control service1)
Applies to: vehicles with Audi connect vehicle control
Requirement: Audi connect vehicle control services
must be set up. The vehicle must
be parking and the ignition must be switched off.
WARNING
Observe the safety precautions.
Tips
- Only use the vehicle key when you can see
the vehicle.
- The vehicle can only be locked when the "P"
selector lever position is engaged.
- Do not use the vehicle key to lock and unlock
when you are inside the vehicle. Otherwise,
you could trigger the anti-theft
alarm*. If this happens, press the
unlock
button.
Tips
Applies to: vehicles with convenience key
- When unlocking or locking the vehicle, the
convenience key cannot be more than approximately
4 feet (1.5 m) away from the
door handle or luggage compartment.
- Unlocking with the convenience key (keyless
access) can be deactivated in the MMI system.
- To prevent the vehicle battery from discharging,
the energy management gradually
switches off convenience functions that
are not needed. You then may no longer be
able to unlock your vehicle with the sensors.
1) In certain countries.
LED and battery in the vehicle key
Fig. 28 Vehicle key: removing the battery holder
Fig. 29 Vehicle key (rear side): removing the battery holder
LED in the vehicle key
The LED (1) indicates the vehicle key function.
- If you press a button briefly, the LED blinks
once.
- If you press and hold a button (convenience
opening/closing), the LED blinks several times.
- If the LED does not blink, the vehicle key battery
is drained. Replace the battery in the vehicle
key.
Replacing the vehicle key battery
- Press the release buttons (2) > fig. 28 and remove
the mechanical key.
- Press the release buttons (3) > fig. 29 while
pulling the battery holder out of the vehicle key
in the direction of the arrow.
- Replace the battery and insert the new battery
with the "+" symbol facing down.
- Slide the battery holder carefully into the vehicle
key.
- Insert the mechanical key.
If the indicator light appears
with a corresponding
message, the vehicle key battery is
drained and must be replaced.
WARNING
If batteries or coin cell batteries are swallowed
or enter the body in any other way, they
can cause serious or fatal injuries within a
short period of time. There is a risk of chemical
burns.
- Keep vehicle keys and key fobs with batteries
out of the reach of children.
- Keep new or used batteries away from children.
- If the battery compartment on a vehicle key
does not close securely, stop using the key
and keep it away from children.
- Seek medical attention immediately if you
suspect that a battery was swallowed or has
entered the body in any other way.
For the sake of the environment
Batteries and
electrical/electronic devices
must be disposed of in an environmentally
safe manner.
Tips
Replacement batteries for the vehicle key
must meet the same specifications as the
original battery.
READ NEXT:
General information
WARNING
Applies to: vehicles with anti-theft alarm
system: When the vehicle is locked from the
outside, no one, especially children, should
remain in the vehicle, because the
Applies to: vehicles with automatic luggage compartment lid
Fig. 32 Luggage compartment lid: 1 closing button*, 2
lock button* (vehicles with convenience key*)
The luggage compartment lid can be open
Applies to: vehicles with folding backrests
Fig. 34 Inner luggage compartment lid: access for emergency
release (1) sedan, (2) allroad
Applies to: vehicles with fixed backrests
Fig. 35 Rear bench
SEE MORE:
Note
For the repair use repair wires with a cross section of 0.35
mm2 through 6.0-mm2.
Procedure
- Free up the wire to be repaired at two places approximately
20 cm on both sides of the repair point.
Caution
Risk of damaging the electrical wires.
Expose wrapped wiring harness
TIP
The procedure only refers to the Avant.
Removing
- Remove the rear lid lower trim panel. Refer to
→ Body Interior; Rep. Gr.70; Luggage Compartment Trim Panels;
Rear Lid Lower Trim Panel, Removing and Installing.
- Disengage the support bracket -7-
by releasing the c