Safety Locks; Automatic Door Locks; Lockout Protection - GMC 2015 Sierra Owner's Manual

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 on page 5-46.

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
power door lock switch.

Safety Locks

The rear door safety locks prevent
passengers from opening the rear
doors from inside the vehicle.
Crew/Double Cab Premium
Shown, Others Similar
Keys, Doors, and Windows
Press
on the
on the rear doors. The indicator light
comes on when activated. The
vehicle must be on, in ACC/
ACCESSORY, or in Retained
Accessory Power (RAP). See
Retained Accessory Power (RAP)
on page 9-28.
If the indicator light flashes, the
feature may not be working properly.
to activate the safety locks
2-9