Opel Astra 2013 Owner's Manual page 26

24 Keys, doors and windows
Used to operate:
■ Central locking system
■ Anti-theft locking system
■ Anti-theft alarm system
■ Power windows
■ Sunroof
The radio remote control has a range
of approx. 20 metres. It can be
restricted by external influences. The
hazard warning flashers confirm
operation.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Fault
If the central locking system cannot
be operated with the radio remote
control, it may be due to the following:
■ Range exceeded
■ Battery voltage 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
Unlocking 3 25.
Basic settings
Some settings can be changed in the
menu Settings in the Info-Display.
Vehicle personalisation 3 134.
Radio remote control battery
replacement
Replace the battery as soon as the
range reduces.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Key with foldaway key section
Extend the key and open the unit.
Replace the battery (battery type
CR 2032), paying attention to the
installation position. Close the unit
and synchronise.
Radio remote control
synchronisation
After replacing the battery, unlock the
door with the key in the driver's door
lock. The radio remote control is
synchronised by switching on the
ignition.