GMC Terrain: Vehicle Checks / Starter Switch Check
Warning
When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.
- Before starting this check, be sure there is enough room around the vehicle.
- Apply both the parking brake and the regular brake. Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts.
- Try to start the engine in each gear. The vehicle should start only in P (Park) or N (Neutral).
If the vehicle starts in any other position, contact your dealer for service.
All-Wheel Drive
Transfer Case
Under normal driving conditions,
transfer case fluid does not require
maintenance unless there is a fluid
leak or unusual noise. If required,
have the transfer case serviced by
your dealer...
Park Brake and P (Park) Mechanism Check
Warning
When you are doing this check,
the vehicle could begin to move.
You or others could be injured
and property could be damaged.
Make sure there is room in front
of the vehicle in case it begins to
roll...
Other information:
GMC Terrain 2018-2026 Owners Manual: Diesel Exhaust Fluid
Diesel Exhaust Fluid (DEF) is used with diesel engines to reduce the amount of regulated emissions produced. The DEF system must be maintained for the vehicle to run properly. It is normal to hear the DEF system purge fluid back into the tank after the vehicle is shut off...
GMC Terrain 2018-2026 Owners Manual: Fog Lamps
The fog lamps button is on the instrument panel beside the steering wheel. To turn on the fog lamps, the ignition and the headlamps or parking lamps must be on. : If equipped, press to turn on or off. An indicator light on the instrument cluster comes on when the fog lamps are on...
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