Audi R8 2009 Owner's Manual page 47

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-
Pry apart the base :::> page 44, fig. 30
©
and the cover @
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.
ffi
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 helps to prevent unauthorized use of
your vehicle.
A computer chip inside your key automatically
deactivates the elec -
tronic immobilizer when you insert the key in the ignition lock, or
when the Advanced Key is located inside the vehicle . When you
remove the key from the ignition lock or remove the Advanced Key
from the vehicle, the electronic immobilizer
is automatically
acti-
vated once again.
If an unauthorized key was used, SAFE is displayed continuously
in
the odometer display field.
Controls and equip -
ment
Opening
and closing
&
WARNING
Always take the key with you when you leave the vehicle . The key
can disarm the electronic engine immobilizer and permit an unau-
thorized person to start the engine and enable operation of the
vehicle systems such as power window or power sunroof leading
to serious personal injury.
[ i]
Tips
Your engine can only be started using the factory-equipped
key.
You may not be able to start 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 231. •
Power
locking system
General
description
The power locking system locks or unlocks all doors
simultaneously.
When opening and closing the doors, the power locking system
locks or unlocks
both
doors together.
The remote master key locks and unlocks the doors using a radio
signal ~ page 47.
Locking
and unlocking
with
the key
You can also lock and unlock your vehicle using the key in the lock
on the driver 's door. However, note that which door is unlocked
mechanically when the vehicle is opened depends on the settings
in the menu display ~ page 26. To disarm the anti-theft alarm
system, ins ert the key in t he ignition lock and switch the ignition on .,_

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