Electronic Key System - Opel ASTRA Owner's Manual

22 Keys, doors and windows
1. Insert flat screwdriver into the slot
and separate the back cover from
the remote control by slightly
turning the screwdriver.
2. Remove and replace battery. Use
CR 2032 or equivalent battery.
Pay attention to the installation
position.
3. Insert the back cover in the area
of the key blade, fold down and
close.
Radio remote control
synchronisation
After replacing the battery, unlock the
door with the key in the driver's door
lock. The radio remote control will be
synchronised when you switch on the
ignition.
Fault
If the central locking system cannot
be operated with the radio remote
control, the cause may be one of the
following:
● Fault in radio remote control.
● The range is exceeded.
● The battery voltage is too low.
● Frequent, repeated operation of
the radio remote control while not
in range, which will require re-
synchronisation.
● Overload of the central locking
system by operating at frequent
intervals, the power supply is
interrupted for a short time.
● Interference from higher-power
radio waves from other sources.
Manual unlocking 3 24.

Electronic key system

Enables a keyless operation of the
following functions:
● central locking system 3 24
● tailgate 3 30
● ignition switching on and starting
the engine 3 143
The electronic key simply needs to be
on the driver's person.
Additionally, the electronic key
includes the functionality of the radio
remote control 3 21.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.