2010 Hummer H3 Owner's Manual - Page 223

Driving and Operating The shift lock release is always functional except in the case of a an uncharged or low voltage (less than 9 volt) battery. If the vehicle has an uncharged battery or a battery with low voltage, try charging or jump starting the battery. See Jump Starting on page 10‑86 for more information. To shift out of P (Park): 1. Apply the brake pedal. 2. Then press the shift lever button. 3. Move the shift lever to the desired position. If you still are unable to shift out of P (Park): 1. Fully release the shift lever button. 2. While holding down the brake pedal, press the shift lever button again. 3. Move the shift lever to the desired position. If you still cannot move the shift lever from P (Park), consult your dealer or a professional towing service. 9-39 Parking If the vehicle has a manual transmission, before you get out of the vehicle, move the shift lever into R (Reverse), and firmly apply the parking brake. Once the shift lever has been placed into R (Reverse) with the clutch pedal pressed in, turn the ignition key to LOCK/OFF, remove the key and release the clutch. If you are parking on a hill, or if the vehicle is pulling a trailer, see Driving Characteristics and Towing Tips on page 9‑70.