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 2018-2022 Owners Manual: Taillamps


    To replace one of these lamps: Open the liftgate. See Liftgate. Remove the two screw caps and two screws from the taillamp assembly. Pull the taillamp assembly out of the vehicle body. Disconnect the lamp wiring harness. Turn the bulb socket counterclockwise and pull it out...

    GMC Terrain 2018-2022 Owners Manual: When It Is Time for New Tires


    Factors such as maintenance, temperatures, driving speeds, vehicle loading, and road conditions affect the wear rate of the tires. Treadwear indicators are one way to tell when it is time for new tires. Treadwear indicators appear when the tires have only 1...

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