2004 GMC Sonoma Owner's Manual - Page 93

The heated mirror button is located to the lower right of the mode knob on the climate control system. The button has an indicator light to indicate if the heated mirror feature is on or off. Storage Areas Glove Box To open your glove box, lift the lever on the front of the glove box and lower the door. The glove box should not be open while you are driving. Overhead Console When the heated mirror feature is turned on, the defogger will warm the mirrors to help clear them of snow or condensation. The heated mirror feature will turn off automatically when the mirror is clear. If your vehicle has this feature, the overhead console includes reading lamps, a compartment for a garage door opener, a temperature and compass display and a storage compartment for sunglasses. 2-33