GMC Terrain: Initial Drive Information / Transmission

Electronic Range Select (ERS) Mode

ERS or manual mode allows for the selection of the range of gear positions. Use this mode when driving downhill to limit the top gear and vehicle speed. See Manual Mode.

To use this feature:

  1. Press the L (Low) button.
  2. Press the plus or minus button on the center stack to increase or decrease the gear range available.

    Climate Controls

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    Vehicle Features

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    Other information:

    GMC Terrain 2018-2025 Owners Manual: Climate Control Systems


    With this system the heating, cooling, and ventilation in the vehicle can be controlled. Fan Control A/C (Air Conditioning) Air Delivery Mode Controls Defrost TEMP (Temperature Control) Rear Window Defogger Air Recirculation : Turn clockwise or counterclockwise to increase or decrease the fan speed or turn the fan off. TEMP : Turn the knob clockwise or counterclockwise to increase ..

    GMC Terrain 2018-2025 Owners Manual: Driver Assistance Systems


    This vehicle may have features that work together to help avoid crashes or reduce crash damage while driving, backing, and parking. Read this entire section before using these systems. Warning Do not rely on the Driver Assistance Systems. These systems do not replace the need for paying attention and driving safely. You may not hear or feel alerts or warnings provided by these systems. ..

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