Power Door Locks
With power door locks, the switches on the front doors can be used to lock and unlock the vehicle.
If available, the switches are on the front doors.
(Unlock): Press to unlock the doors.
(Lock): Press to lock the doors.
See also:
Interior
The Sierra showcases two different interior designs. Work Truck and SLE
models are more utility-minded, with large controls and door handles that can be
operated while wearing gloves. The SLT offe ...
StabiliTrak® System
The StabiliTrak system assists with directional control of the vehicle in difficult
driving conditions. The system is on when the vehicle is started.
○ To turn off both Traction Control and S ...
Safety Locks
The rear door safety locks switch is on the instrument panel.
Rear door safety locks prevent passengers from opening the rear doors from inside
the vehicle.
Press to activate the safety locks. ...





