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.

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    Other information:

    GMC Terrain 2018-2026 Owners Manual: Roof Rack System


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