GMC Terrain: Starting and Operating / New Vehicle Break-In

Caution

The vehicle does not need an elaborate break-in. But it will perform better in the long run if you follow these guidelines:

  • Do not drive at any one constant speed, fast or slow, for the first 800 km (500 mi). Do not make full-throttle starts. Avoid downshifting to brake or slow the vehicle.
  • Avoid making hard stops for the first 300 km (200 mi) or so. During this time the new brake linings are not yet broken in. Hard stops with new linings can mean premature wear and earlier replacement. Follow this breaking-in guideline every time you get new brake linings.

Following break-in, engine speed and load can be gradually increased.

    Starting and Operating

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    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...

    Other information:

    GMC Terrain 2018-2023 Owners Manual: Brake System Warning Light


    The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits need to be working This light should come on briefly when the engine is started...

    GMC Terrain 2018-2023 Owners Manual: Top Tier Fuel (Gasoline and Diesel)


    Top Tier Fuel (Gasoline) GM recommends the use of TOP TIER Detergent Gasoline to keep the engine clean, reduce engine deposits, and maintain optimal vehicle performance. Look for the TOP TIER Logo or see www.toptiergas.com for a list of TOP TIER Detergent Gasoline marketers and applicable countries...

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