2010 GMC Canyon Extended Cab Owner's Manual - Page 165

Exterior Cargo 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. This button is located on the driver side of the instrument panel near the exterior lamp control. Instrument Panel Brightness D (Instrument Panel Lights): Turn the thumbwheel up or down to brighten or dim the instrument panel lights and the radio display. The instrument panel lights, cluster, and radio display do not dim to complete darkness. The instrument panel light brightness control will only work if the headlamps or parking lamps are on. See Exterior Lamps on page 4-10. Dome Lamp The dome lamps, located in the front and cargo area of the vehicle, come on when any door is opened. Turn the dome lamps on by turning the thumbwheel, located next to the exterior lamps control, all the way up. In this position, the lamps remain on whether a door is opened or closed. Press to turn the cargo lamps on and off. The dome lamps must be on for the cargo lamps to come on. See Dome Lamp on page 4-13. Reading Lamps Press the lens on the lamps to turn each reading lamp on or off. These lamps will not come on with the dome lamps. 4-13