Shifting out of Park
To shift out of P (Park):
1. Apply the brake pedal.
2. Turn the ignition to ON/RUN.
3. Press the shift lever button.
4. Move the shift lever.
If you still are unable to shift out of P (Park):
1. Fully release the shift lever button.
2. Hold the brake pedal down and press the shift lever button again.
3. Move the shift lever.
If you still cannot move the shift lever from P (Park), see your dealer for service.
See also:
Powertrain details
The GMC Sierra All Terrain HD concept is propelled by the new, production
6.6L Duramax turbo-diesel V-8 and Allison 1000 six-speed automatic transmission
powertrain combination offered in the 2011 ...
Collision Alert
When your vehicle approaches another vehicle too rapidly, the red FCA display
will flash and sound several beeps. When this occurs, the brake system prepares
for driver braking to occur more rap ...
Parking Brake
To set the parking brake, hold the regular brake pedal down, then push the parking brake pedal down.
If the ignition is on, the brake system warning light will come on.
See Brake System Warning Li ...





