2011 Chevrolet Colorado Extended Cab Owner's Manual - Page 208

9-30 Driving and Operating 3. Plug it into a normal, grounded 110-volt AC outlet. Retained Accessory Power (RAP) These vehicle accessories can be used for up to 20 minutes after the engine is turned off: ... Shifting Into Park (Automatic Transmission) { WARNING Plugging the cord into an ungrounded outlet could cause an electrical shock. Also, the wrong kind of extension cord could overheat and cause a fire. You could be seriously injured. Plug the cord into a properly grounded three-prong 110-volt AC outlet. If the cord will not reach, use a heavy-duty three-prong extension cord rated for at least 15 amps. 4. Before starting the engine, be sure to unplug and store the cord to prevent damage. The length of time the heater should remain plugged in depends on several factors. Ask a dealer in the area where you will be parking the vehicle for the best advice on this. { WARNING It can be dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can roll. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure the vehicle will not move, even when you are on fairly level ground, use the steps that follow. If you are pulling a trailer, see Driving Characteristics and Towing Tips on page 9‑56. 1. Hold the brake pedal down with your right foot and set the parking brake. See Parking Brake on page 9‑44 for more information. Audio System Wipers Power Windows These features work when the key is in ON/RUN or ACC/ ACCESSORY. Once the key is turned from ON/RUN to LOCK/OFF, power to these features continue to work for up to 20 minutes or until a door is opened.