GMC Terrain: Initial Drive Information / Passenger Sensing System

Head Restraint Adjustment and Seat Belts

Head Restraint Adjustment Do not drive until the head restraints for all occupants are installed and adjusted properly. To achieve a comfortable seating position, change the seatback recline angle as little as necessary while keeping the seat and the head restraint height in the proper position...

Mirror Adjustment

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Other information:

GMC Terrain 2018-2023 Owners Manual: Malfunction Indicator Lamp (Check Engine Light)

This light is part of the vehicle’s emission control on-board diagnostic system. If this light is on while the engine is running, a malfunction has been detected and the vehicle may require service. The light should come on to show that it is working when the ignition is in Service Mode. See Ignition Positions. This light may also come on when the system has detected a problem with th..

GMC Terrain 2018-2023 Owners Manual: Memory Seats

If equipped, memory seats allow two drivers to save and recall their unique seat positions for driving the vehicle, and a shared exit position for getting out of the vehicle. Other feature positions may also be saved, such as power mirrors and power steering wheel, if equipped. Memory positions are linked to RKE transmitter 1 or 2 for automatic memory recalls. Before saving, adjust all ..