GMC Sierra 2023 Manual page 7

6 Keys, Doors, and Windows
With an active OnStar or connected service
plan, an OnStar Advisor may remotely
unlock the vehicle. See your owner s
manual.
If locked out of the vehicle, see Roadside
Assistance Program 0 150.
If equipped with memory seats, remote keys
1 and 2 are linked to seating positions of
memory 1 or 2. See Memory Seats 0 15.
Door Locks
Warning
Unlocked doors can be dangerous.
Passengers, especially children, can
easily open the doors and fall out of a
moving vehicle. The doors can be
unlocked and opened while the vehicle
is moving. The chance of being thrown
out of the vehicle in a crash is
increased if the doors are not locked.
So, all passengers should wear seat
belts properly and the doors should be
locked whenever the vehicle is driven.
Young children who get into unlocked
vehicles may be unable to get out.
A child can be overcome by extreme
Warning (Continued)
heat and can suffer permanent injuries
or even death from heat stroke.
Always lock the vehicle whenever
leaving it.
Outsiders can easily enter through an
unlocked door when you slow down
or stop the vehicle. Locking the doors
can help prevent this from happening.
There are several ways to lock and unlock
the vehicle.
From outside:
Use the remote key.
Use Keyless Access, if equipped.
Use the key in the driver door or the
passenger door, if equipped.
From inside, pull the door handle once to
unlock the door. Pull the handle again to
open the door.
See your owner s manual.
(Continued)
Keyless Access
If equipped, the remote key must be within
1 m (3 ft) of the tailgate or door being
opened or locked. Press the button on the
door handle to open. See Keyless Access
Operation in your owner s manual.
Free-Turning Locks
The door key lock cylinder turns freely when
either the wrong key is used, or the correct
key is not fully inserted. The free-turning
door lock feature prevents the lock cylinder
from being forced open. To reset the lock
cylinder, ensure the correct key is fully
inserted into the lock cylinder. Rotate the
key until you feel the lock cylinder click