2010 GMC Sierra 1500 Crew Cab Owner's Manual - Page 243

Ashtray(s) and Cigarette Lighter The vehicle may have a front ashtray located near the center of the instrument panel. Pull on the door to open it. The ashtray may have a cigarette lighter. Notice: If papers, pins, or other flammable items are put in the ashtray, hot cigarettes or other smoking materials could ignite them and possibly damage the vehicle. Never put flammable items in the ashtray. To remove the ashtray, open the door and pull the ashtray bin toward you. To replace the ashtray, insert the ashtray bin inside the ashtray door and press down until it engages. To use the cigarette lighter, push it in all the way, and let go. When it is ready for use, the lighter pops back out. Notice: Holding a cigarette lighter in while it is heating does not let the lighter back away from the heating element when it is hot. Damage from overheating can occur to the lighter or heating element, or a fuse could be blown. Do not hold a cigarette lighter in while it is heating. Climate Controls Climate Control System (With Heater Only) With this system the heating and ventilation can be controlled. A. Fan Control B. Temperature Control C. Air Delivery Mode Control Temperature Control: Turn clockwise or counterclockwise to increase or decrease the temperature inside the vehicle. 4-19