Automatic Transmission - GMC Terrain 2017 Owner's Manual

If the vehicle is left with the engine
running, follow the proper steps to
be sure the vehicle will not move.
See Shifting Into Park 0 156 and
Engine Exhaust 0 158.
If parking on a hill and pulling a
trailer, see Driving Characteristics
and Towing Tips 0 180.
Automatic
Transmission
P : This position locks the front
wheels. Use P (Park) when starting
the engine because the vehicle
cannot move easily.
Warning
It is dangerous to get out of the
vehicle if the shift lever is not fully
in P (Park) with the parking brake
firmly set. The vehicle can roll.
(Continued)
Driving and Operating
Warning (Continued)
Do not leave the vehicle when the
engine is running. If you have left
the engine running, the vehicle
can move suddenly. You or others
could be injured. To be sure the
vehicle will not move, even when
you are on fairly level ground,
always set the parking brake and
move the shift lever to P (Park).
See Shifting Into Park 0 156 and
Driving Characteristics and
Towing Tips 0 180.
The vehicle has an automatic
transmission shift lock control
system. You must fully apply the
regular brake first and then press
the shift lever button before shifting
from P (Park) when the ignition key
is in ON/RUN. If you cannot shift out
of P (Park), ease pressure on the
shift lever, then push the shift lever
all the way into P (Park) as you
maintain brake application. Then
press the shift lever button and
move the shift lever into another
gear. See Shifting out of Park 0 157.
159