change key battery AUDI Q2 2021 Owner´s Manual

Doors and windows
Set of keys



service work is required. This also applies to
vehicles with convenience key*.

Fig.
21 Keys supplied with the vehicle
Remote control keys
The remote control key can be used to lock and
unlock the car. Press the release button
OFig.
21
-arrow- to make the key spring out of the handle
and to fold it back in.
Number of keys
You can check how many keys are initialised for
your vehicle using the infotainment system. To
do so, select:
|MENU|
button > Car
>
left control
button
>
Servicing & checks
>
Car information.
This feature enables used car buyers to make
sure they have received all of the keys.
Replacing a key
If
you
should lose a key, please contact an Audi
dealer. Have the remote control coding for that
key deactivated.
For
this purpose you should
bring all available keys with you. It is also impor­
tant to notify your insurance company if
a
key has
been lost.
Electronic immobiliser
The immobiliser is designed to prevent unauthor­
ised persons from driving the vehicle. It may not
be possible to start the engine with the key if
there is another ignition
key
from a different
make of vehicle on the same key
ring.

Data stored on remote control key
Data related to the service and maintenance of
the vehicle are stored continuously on your re­
mote control key. Your Audi dealer can read out
the data and will then be able to tell you what
The function of the remote control key may
be impaired by interference from other
near­

by radio signals (for example from a mobile
telephone or TV transmitter) if these are in
the same frequency range.
LED and battery for the remote control key

Fig.
22 Remote control key (rear): Opening the cover
LED on remote control key
The LED on the remote control key lights up
when you press the buttons.

•
The LED should flash once when you press one
of the buttons briefly.

•
The LED should flash repeatedly when you
press and hold one of the buttons (convenience
open/close).

•
If the LED does not flash, the battery in the re­
mote control key is flat. In addition, the indica­
tor lamp |y will light up and the message Re­
mote control key: please change key battery
will appear. Replace the battery in the remote
control key.

Replacing
the battery for the remote control
key
• Use a coin to lever the cover (2) off the key
®
=>
Fig.
22.

•
Insert the new battery with the "+"
symbol
fac­
ing up.

•
Press the cover back onto the key until it clicks
into place. •
38