GMC Terrain: Fuel / Fuels in Foreign Countries

Prohibited Fuels (Gasoline)

Caution Do not use fuels with any of the following conditions; doing so may damage the vehicle and void its warranty: For vehicles that are not FlexFuel, fuel labeled greater than 15% ethanol by volume, such as mid-level ethanol blends (16–50% ethanol), E85, or FlexFuel...

Fuel Additives

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Other information:

GMC Terrain 2018-2023 Owners Manual: Folding the Seatback

Either side of the seatback can be folded for more cargo space. Fold a seatback only when the vehicle is not moving. Caution Folding a rear seat with the seat belts still fastened may cause damage to the seat or the seat belts. Always unbuckle the seat belts and return them to their normal stowed position before folding a rear seat. To fold the seatback: Fold the head restraint. See H..

GMC Terrain 2018-2023 Owners Manual: Bulb Replacement

For the proper type of replacement bulbs, or any bulb changing procedure not listed in this section, contact your dealer. Caution Do not replace incandescent bulbs with aftermarket LED replacement bulbs. This can cause damage to the vehicle electrical system. Halogen Bulbs Warning Halogen bulbs have pressurized gas inside and can burst if you drop or scratch the bulb. You or others could..