Power Door Locks; Delayed Locking; Automatic Door Locks; Lockout Protection - GMC 2016 Sierra Denali Owner's Manual

32 Keys, Doors, and Windows
From inside, pull the door handle
once to unlock the door. Pull the
handle again to open the door.
See Vehicle Alarm System 0 35.

Power Door Locks

Crew/Double Cab Premium Trim
Shown, Other Models Similar
: Press to lock the doors.
: Press to unlock the doors.

Delayed Locking

If equipped, when locking the doors
with the power lock switch and a
door open, the doors will lock
five seconds after the last door is
closed. Three chimes signal that
delayed locking is in use.
Pressing the power lock switch
twice overrides the delayed locking
feature and immediately locks all
doors.
This feature will not operate if the
key is in the ignition.
Turn delayed locking on or off using
vehicle personalization. See Vehicle
Personalization 0 136.

Automatic Door Locks

The doors will lock automatically
when all doors are closed, the
ignition is on, and the shift lever is
moved out of P (Park).
To unlock the doors:
Press on a door.
Shift the transmission into
P (Park).

Lockout Protection

When locking is requested with the
driver door open and the key in the
ignition, all the doors will lock and
then the driver door will unlock.
This can be manually overridden by
pressing and holding on the
power door lock switch.

Safety Locks

The rear door safety locks prevent
passengers from opening the rear
doors from inside the vehicle.