Immobilizer; Immobilizer Operation - GMC 2016 Yukon XL Denali Owner's Manual

Intrusion and Inclination
Sensors Disable Switch
It is recommended that the intrusion
and inclination sensors be
deactivated if pets are left in the
vehicle or the vehicle is being
transported.
With the vehicle off, press
the front overhead console to turn
off the feature.
The indicator light will come on
momentarily, indicating that these
sensors have been disabled until
the next time the alarm system is
armed.

Immobilizer

See Radio Frequency Statement
0 370.

Immobilizer Operation

This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the vehicle is
turned off.
The immobilization system is
disarmed when the ignition button is
pressed in and a valid transmitter is
found in the vehicle.
in
The security light in the instrument
cluster comes on if there is a
problem with arming or disarming
the theft-deterrent system.
Keys, Doors, and Windows
The system has one or more
transmitters matched to an
immobilizer control unit in the
vehicle. Only a correctly matched
transmitter will start the vehicle.
If the transmitter is ever damaged,
you may not be able to start the
vehicle.
When trying to start the vehicle, the
security light comes 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
vehicle off and try again.
If the RKE transmitter appears to be
undamaged, try another transmitter
or place the transmitter in the
transmitter pocket/insert next to the
center console storage area
between the driver and front
passenger seats. See Starting the
Vehicle with a Low Transmitter
under Remote Keyless Entry (RKE)
System Operation 0 27.
If the engine does not start with the
other transmitter or when the
transmitter is in the pocket in the
center console, the vehicle needs
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