GMC Terrain: Starting and Operating / Starting the Engine

Shift the vehicle into P (Park) or N (Neutral). To restart the engine when the vehicle is already moving, use N (Neutral) only.

Caution

Do not try to shift to P (Park) if the vehicle is moving. If you do, you could damage the transmission. Shift to P (Park) only when the vehicle is stopped.

Caution

If you add electrical parts or accessories, you could change the way the engine operates. Any resulting damage would not be covered by the vehicle warranty. See Add-On Electrical Equipment.

Ignition Positions

The vehicle has an electronic keyless ignition with pushbutton start. The Remote Keyless Entry (RKE) transmitter must be in the vehicle for the system to operate...

Gasoline Engine Starting Procedure

With the Keyless Access system, the Remote Keyless Entry (RKE) transmitter must be in the vehicle. Press ENGINE START/STOP with the brake pedal applied...

Other information:

GMC Terrain 2018-2026 Owners Manual: Airbag System Check


The airbag system does not need regularly scheduled maintenance or replacement. Make sure the airbag readiness light is working. See Airbag Readiness Light. Caution If an airbag covering is damaged, opened, or broken, the airbag may not work properly...

GMC Terrain 2018-2026 Owners Manual: Seat Adjustment


Warning You can lose control of the vehicle if you try to adjust a driver seat while the vehicle is moving. Adjust the driver seat only when the vehicle is not moving. To adjust the seat position: Pull the handle at the front of the seat cushion to unlock it...

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