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 cargo lamps can be used if more light is needed in the cargo area of the vehicle or in the top-box storage units.
See also:
Radio(s)
Radio with USB, CD, and DVD (MP3)
: Press to turn the system on and off. Turn to increase or decrease the volume.
BAND: Press to choose between FM, AM, or XM™, if equipped.
: Select ra ...
OnStar Additional Information
Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle owners ...
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 ...