GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-18281917) - 2025
Keys, Doors, and Windows 15
Driver Door Key Lock Cylinder Access (In
C
a
se of Dead Battery)
To access the driver door key lock cylinder:
1. Insert the key into the slot at the bottom
of the cap and turn clockwise to remove
the cap.
2. Insert the key into the cylinder and turn
to unlock.
To replace the cap:
1. Position the bottom edge of the cap under
the lower edge of the metal piece. The
tabs (2) attach to the metal piece at the
positions (1).
2. Install the cap into place.
3. Check that the cap is secure.
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 from being forced
open. To reset the lock, turn it to the vertical
position with the correct key fully inserted.
Remove the key and insert it again. If this does
no
t reset the lock, turn the key halfway around
in the cylinder and repeat the reset procedure.
Power Door Locks
Q : P
ress to lock the doors.
K : Press to unlock the doors.
Delayed Locking
This feature delays the locking of the doors
until five seconds after all doors are closed.
Delayed locking can only be turned on when
the Open Door Anti-Lockout feature has been
turned off.