GMC Terrain/Terrain Denali Owner Manual (GMNA-Localizing-MidEast-
11348267) - 2018 - crc - 6/27/17
Driving and Operating 179
Caution
The vehicle is not designed to
stay in N (Neutral) for extended
periods of time. It will
automatically shift into P (Park) if
left in Car Wash Mode.
Car Wash Mode (Engine Off –
Driver in Vehicle)
To place the vehicle in N (Neutral)
with the engine off and the vehicle
occupied:
1. Drive to the entrance of the
car wash.
2. Apply the brake pedal.
3. Shift to N (Neutral).
4. Turn off the engine and release
the brake pedal.
5. The indicator should continue
to show N. If it does not, repeat
Steps 2–4.
6. The vehicle is now ready for
the car wash.
Car Wash Mode (Engine Off –
Driver out of Vehicle)
To place the vehicle in N (Neutral)
with the engine off and the vehicle
unoccupied:
1. Drive to the entrance of the
car wash.
2. Apply the brake pedal.
3. Open the door.
4. Shift to N (Neutral).
5. Turn off the engine and release
the brake pedal.
6. The indicator should continue
to show N. If it does not, repeat
Steps 2–5.
7. Exit the vehicle and close the
door. The vehicle is now ready
for the car wash.
8. Ensure the vehicle is in
P (Park) upon returning to the
vehicle.
Car Wash Mode (Engine On –
Driver in Vehicle)
To place the vehicle in N (Neutral)
with the engine on and the vehicle
occupied:
1. Drive to the entrance of the
car wash.
2. Apply the brake pedal.
3. Shift to N (Neutral).
4. Release the brake pedal. The
vehicle is now ready for the
car wash.
Car Wash Mode (Engine On –
Driver out of Vehicle)
To place the vehicle in N (Neutral)
with the engine on and the vehicle
unoccupied:
1. Drive to the entrance of the
car wash.
2. Apply the brake pedal.
3. Open the door.
4. Shift to N (Neutral), then
release the brake pedal.