2003 GMC Sierra 1500 Pickup Owner's Manual - Page 132

If the ignition is on when the parking brake is released, the brake system warning light will go off. Notice: Driving with the parking brake on can cause your rear brakes to overheat. You may have to replace them, and you couid also damage other parts of your vehicle. If you are towing a trailer and are parking on any hill, see Towing a Trailer on page 4-66. - Shiftina Ir Park (P) *ed. T - -e sure 1 lr vehicle wo , move, even when you're on fairly level ground, use the steps that follow. With four-wheel drive, if your transfer caseis in NEUTRAL, your vehicle will be free to roll, even if your shift lever is in PARK (P). So, be sure the transfer case is in a drive gear - not in NEUTRAL. If you're pulling a trailer, see "Towing a Trailer" in the Index. COI It can be dangerous to get out I m r vehic.01 if the shift lever is not fully in PARK (P) with the parking brake firmlyset. Your vehicle can roll. If you have left the engine running, the vehicle can move suddenly. You or others 1. Hold the brake pedal down with your right foot and set the parking brake. 2. Move the shift lever into PARK (P) position like this: CAUTION: (Continued) 2-45