change key battery AUDI S3 2010 Owners Manual

Opening and closing
Master key battery replacement
Each master key contains a battery housed under the
cover.
Fig . 25 Master key:
opening the cover
We recommend having the battery changed by a qualified
workshop. However, if you wish to replace the dead battery
yourself, proceed as follows:
- Pry apart the base::::::,fig. 25
@andthecover @carefully
with a coin.
- Remove the cover (arrow) .
- Remove the dead battery from the cover.
- Install the new battery. Please make certain that the"+"
sign on the battery faces down. Correct polarity is shown
on the cover.
- Place the cover with the new battery on the key base and
press both parts together.
<i> For the sake of the environment
Dispose of dead batteries properly so as not to pollute the environ ­
ment.
[ i ] Tips
The replacement battery must be the same specification as the
original. •
Electronic immobilizer
The immobilizer prevents your vehicle from being started
by unauthorized persons.
A computer chip inside your key automatically deactivates the elec ­
tronic immobilizer when you insert the key in the ignition lock .
When you remove the key from the ignition lock, the electronic
immobilizer is automatically activated once again .
If an unauthorized key was used,
SAFE is displayed continuously in
the odometer display field.
[ i ] Tips
• Your engine can only be started using the factory -equipped key.
• You may not be abl e to s tart your vehicle if an ignition key of a
different vehicle make is also located on your set of keys.
• For Declaration of Compliance to United States FCC and Industry
Canada regulations ~
page 302. •
Power locking system
General description
The power locking system locks or unlocks all doors and
the rear lid simultaneously.
The power locking system in your vehicle incorporates the following
functions:
• Central locking function