Vehicle Security; Vehicle Alarm System - GMC YUKON 2018 Owner's Manual

power assist steps, clear the ice,
then enable the assist steps and
confirm normal function prior to use.
Keep hands, children, pets, objects,
and clothing clear of the power
assist steps when in motion. The
steps will reverse direction if they
encounter an obstruction when
opening or closing. Remove the
obstruction, then open and close the
door on the same side to complete
the motion of the assist steps. If the
obstruction is not cleared, the assist
steps remain extended while driving.
To extend both power assist steps
for cleaning, press while the
vehicle is in P (Park) or N (Neutral).
Press again to retract them.
The DIC will display a message.
Enable/Disable
Press and hold for four seconds
to lock and disable the power assist
steps. Press and hold
four seconds again to enable them.
The DIC will display a message.
Keys, Doors, and Windows

Vehicle Security

This vehicle has theft-deterrent
features; however, they do not make
the vehicle impossible to steal.

Vehicle Alarm System

for
The indicator light, on the
instrument panel near the
windshield, indicates the status of
the system.
Off : Alarm system is disarmed.
On Solid : Vehicle is secured
during the delay to arm the system.
Fast Flash : Vehicle is unsecured.
A door, liftgate, or the hood is open.
Slow Flash : Alarm system is
armed.
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