Lockout Protection; Rear Door Security Locks - GMC 2003 Sonoma Owner's Manual

Rear Door Security Locks

If you have the Crew Cab
equipped with rear door security locks. With this
feature, you can lock the rear doors so they can't be
opened from the inside by passengers.
2-10
®
model, your vehicle may be
The security lock lever is
located on the inside edge
of each rear door.
To use the security locks, do the following:
1. Open one of the rear doors.
2. Slide the lever up to the lock symbol to engage
the lock.
3. Close the door.
4. Repeat these steps on the opposite rear door.
If you want to open the rear door when the security lock
is on, unlock the door and open the door from the
outside. To return the rear doors to normal use,
disengage the locks by sliding the lever to the unlock
symbol.

Lockout Protection

This feature protects you from locking your key in the
vehicle when the key is in the ignition and a door
is open.
If the power door lock switch is pressed when a door is
open and the key is in the ignition, all of the doors
will lock and then the driver's door will unlock.