2009 Hummer H3T Owner's Manual - Page 95

Features and Controls 2-29 Shifting Into Park (Automatic Transmission) { CAUTION With all-wheel drive, the vehicle will be free to roll - even if the shift lever is in P (Park) - if the transfer case is in Neutral. So, be sure the transfer case is in a drive gear, four-wheel high (4H) or four-wheel low (4L) - not in Neutral. 2. Move the shift lever into P (Park) by pressing the shift lever button and moving the lever as far forward as it will go. 3. Turn the ignition key to LOCK/OFF. 4. Remove the key from the ignition. Leaving Your Vehicle With the Engine Running (Automatic Transmission) { CAUTION 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 Towing a Trailer on page 4-42. 1. Hold the brake pedal down, then set the parking brake. See Parking Brake on page 2-28 for more information. { CAUTION It can be dangerous to leave the vehicle with the engine running. The vehicle could move suddenly if the shift lever is not fully in P (Park) with the parking brake firmly set. And, if you leave the vehicle with the engine running, it could overheat and even catch fire. You or others could be injured. Do not leave the vehicle with the engine running. If you have to leave the vehicle with the engine running, be sure the vehicle is in P (Park) and the parking brake is firmly set before you leave it. After you have moved the shift lever into P (Park), hold the regular brake pedal down.