Cadillac XT4 Owner Manual (GMNA-Localizing-Europe-15440913) - 2022 -
CRC - 5/13/21
28 KEYS, DOORS, AND WINDOWS
The security light, in the instrument
cluster, comes on if there is a problem
with arming or disarming the
theft-deterrent system.
The system has one or more RKE
transmitters matched to an
immobiliser control unit in your
vehicle. Only a correctly matched RKE
transmitter will start the vehicle.
If the transmitter is ever damaged,
you may not be able to start your
vehicle.
When tr ying to start the vehicle, the
security light may come on briefly
when the ignition is turned on.
If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
ignition off and tr y again.
If the vehicle will not change ignition
modes (ACC/ACCESSORY, on, off), and
the RKE transmitter appears to be
undamaged, try another transmitter.
Or, you may try placing the
transmitter in the front cupholder
located in the centre console. See
Remote Keyless Entry (RKE) System
Operation 0 7.
If the ignition mode will not change
with the other transmitter or in the
front cupholder, your vehicle needs
service. If the ignition does change
modes, the first transmitter may be
faulty. See your dealer who can ser vice
the theft-deterrent system and have a
new RKE transmitter programmed to
the vehicle.
It is possible for the immobiliser
system to learn new or replacement
RKE transmitters. Up to eight
transmitters can be programmed for
the vehicle. To program additional
transmitters, see “Programming
Transmitters to the Vehicle” under
Remote Keyless Entry (RKE) System
Operation 0 7.
Do not leave the key or device that
disarms or deactivates the
theft-deterrent system in the vehicle.
Do not modify or remove the system.
The system may not work properly,
and it could void the warranty.
Exterior Mirrors
Convex Mirrors
{
Warning
A convex mirror can make things,
like other vehicles, look farther
away than they really are. If you cut
too sharply into the next lane, you
could collide with a vehicle that is
driving next to you. Check the
inside mirror or glance over your
shoulder before changing lanes.
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