change key battery BMW Z4 2015 E89 Owner's Manual

After the engine is switched off, the engine can
only be restarted within approx. 10 seconds.
The indicator lamp in the instrument
cluster comes on and a message ap‐
pears on the Control Display: replace
the remote control battery.
Replacing the battery
The remote control for Comfort Access con‐
tains a battery that will need to be replaced
from time to time.1.Take the integrated key out of the remote
control, refer to page 32.2.Remove the cover.3.Insert a battery of the same type with the
positive side facing upwards.4.Press on the cover to close it.
Return used battery to a recycling center
or to your service center.
Alarm system The conceptThe vehicle alarm system responds to:
▷Opening of a door, the hood or the trunk
lid.▷Movements inside the vehicle. Interior mo‐
tion sensor, refer to page 42.▷When the car's inclination changes, for in‐
stance if an attempt is made to jack it upand steal the wheels or to raise it prior to
towing away.▷Interruptions in battery voltage.
The alarm system signals unauthorized entry
attempts for a short time by means of:
▷By sounding an acoustic alarm.▷By switching on the hazard warning sys‐
tem.▷By flashing the high-beams.
Arming and disarming the alarm
system
When you lock or unlock the vehicle, either
with the remote control or via Comfort Access,
the alarm system is armed or disarmed at the
same time.
Trunk lid and armed alarm systemThe trunk lid can be opened using the remote
control, even if the alarm system is armed.
Press the button on the remote control for
approx. one second.
Note the opening height of the trunk lid
During opening, the trunk lid pivots back
and up. Ensure that there is sufficient clear‐
ance when the trunk lid opens; otherwise,
damage may result.◀
After the lid is closed, it is locked and moni‐
tored again by the alarm system.
Panic mode
You can trigger the alarm system if you find
yourself in a dangerous situation.
Press the button on the remote control for
at least three seconds.
To switch off the alarm: press any button.
Switching off the alarm
▷Unlock the vehicle using the remote con‐
trol, refer to page 34.Seite 41Opening and closingControls41
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