GMC Terrain 2018 Owner's Manual page 204

Car Wash Mode (Engine On
Driver in Vehicle) Gasoline and
Diesel Engines
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)
and Diesel Engines
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.
5. The indicator should continue
to show N. If it does not, repeat
Steps 2 4.
6. Exit the vehicle and close the
door. The vehicle is now ready
for the car wash.
7. Ensure the vehicle is in
P (Park) upon returning to the
vehicle.
A transmission hot message may
display if the automatic
transmission fluid is too hot.
Driving under this condition can
Gasoline
damage the vehicle. Stop and idle
the engine to cool the automatic
transmission fluid. This message
clears when the transmission fluid
has cooled sufficiently.
D : This position is for normal
driving. If more power is needed for
passing, press the accelerator
pedal down.
Caution
Driving and Operating
To shift into D (Drive):
1. Bring the vehicle to a
complete stop.
2. Pull the D (Drive) switch.
To shift out of D (Drive):
1. Bring the vehicle to a
complete stop.
2. Shift to the desired gear.
Downshifting the transmission in
slippery road conditions could result
in skidding. See Skidding under
Loss of Control 0 169.
Caution
Spinning the tires or holding the
vehicle in one place on a hill
using only the accelerator pedal
may damage the transmission.
The repair will not be covered by
the vehicle warranty. If the vehicle
is stuck, do not spin the tires.
When stopping on a hill, use the
brakes to hold the vehicle in
place.
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