GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - crc - 5/11/17
Keys, Doors, and Windows
41
To shut the tailgate, firmly push it
upward until it latches.
After closing the tailgate, pull it back
to be sure it latches securely.
Power Assist Steps
If equipped, the power assist steps,
when enabled, will extend when the
door is opened. They will retract
three seconds after the door is
closed or immediately if the vehicle
starts moving.
Keep hands, children, pets, objects,
and clothing clear of the power
assist steps when in motion.
The steps will reverse direction if
there is an obstruction. Remove the
obstruction, then open and close the
door on the same side to complete
the motion. If the obstruction is not
cleared, the assist steps remain
extended.
Slight movement of the steps while
extended is normal.
Kick Switch
1. Place the vehicle in P (Park)
and unlock the doors.
2. Kick the switch to extend the
power assist step to the tire.
A DIC message displays.
3. Kick the switch again to return
to normal operation.
Center Stack Switch
The power assist steps can be
extended and extended to the tire
by pressing
j
. When extending
the steps with
j
, the kick switch is
disabled.
The vehicle must be in P (Park) or
N (Neutral). To extend the steps:
.
Press
j
to extend both steps.
A DIC message displays.
.
Press
j
again to extend to the
tire. A DIC message displays.
.
Press
j
again to return to
normal operation.