GMC Terrain 2018 Owner's Manual page 203

202 Driving and Operating
Car Wash Mode (Engine Off
Driver out of Vehicle)
Engine Only
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 Off
Gasoline Driver in Vehicle)
Engine Only
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. Shift to P (Park) and turn off the
vehicle.
3. Place the ignition in
Service Mode.
4. Apply the brake pedal and shift
to N (Neutral).
5. Release the brake pedal. 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
Diesel Driver out of Vehicle)
Engine Only
To place the vehicle in N (Neutral)
with the engine off and the vehicle
unoccupied:
1. Drive to the entrance of the
2. Shift to P (Park) and turn off the
3. Place the ignition in
4. Open the door.
5. Apply the brake pedal and shift
6. Release the brake pedal. The
7. Exit the vehicle and close the
8. Ensure the vehicle is in
Diesel
car wash.
vehicle.
Service Mode.
to N (Neutral).
indicator should continue to
show N. If it does not, repeat
steps 2 5.
door. The vehicle is now ready
for the car wash.
P (Park) upon returning to the
vehicle.