GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - crc - 5/11/17
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Keys, Doors, and Windows
Enable/Disable
To enable or disable the power
assist steps, press and hold
j
for
four seconds. A DIC message
displays.
Cleaning
Clean the power assist steps
regularly. For an automatic car
wash, extend the steps while in
N (Neutral) using the center stack
switch. The steps will stow when
shifting into D (Drive).
Vehicle Security
This vehicle has theft-deterrent
features; however, they do not make
the vehicle impossible to steal.
Vehicle Alarm System
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, the tailgate, or the hood
is open.
Slow Flash :
Alarm system is
armed.
Arming the Alarm System
1. Turn off the vehicle.
2. Lock the vehicle in one of
two ways:
.
Use the RKE transmitter.
.
With a door open, press
Q
on the interior of the door.
3. After 30 seconds, the alarm
system will arm and the
indicator light will begin to
slowly flash. Pressing
Q
on the
RKE transmitter a second time
will bypass the 30-second
delay and immediately arm the
alarm system.
The vehicle alarm system will not
arm if the doors are locked with
the key.
If the driver door is opened without
first unlocking with the RKE
transmitter, the horn will chirp and