2008 Hummer H3 Owner's Manual - Page 107

Shifting Into PARK (P) (Automatic Transmission) {CAUTION: With all-wheel drive, your vehicle will be free to roll - even if your shift lever is in PARK (P) - if your 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 PARK (P) 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 and take it with you. If you can leave your vehicle with the key, your vehicle is in PARK (P). {CAUTION: It can be dangerous to get out of your vehicle if the shift lever is not fully in PARK (P) with the parking brake firmly set. Your vehicle can roll. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure your 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 4-50. 1. Hold the brake pedal down with your right foot and set the parking brake. See Parking Brake on page 2-32 for more information. 2-33