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 ...

Cargo Lamp
The cargo lamps come on by turning the instrument panel brightness control knob to the farthest clockwise position. This knob is located on the instrument panel and also turns on the dome lamps. The ...

Lap-Shoulder Belt
All seating positions in the vehicle have a lap-shoulder belt. If you are using a rear seating position with a detachable safety belt and the safety belt is not attached, see “Returning the Seat to ...