GMC Terrain: Vehicle Checks / All-Wheel Drive

Battery - North America

The original equipment battery is maintenance free. Do not remove the cap and do not add fluid. Refer to the replacement number shown on the original battery label when a new battery is needed...

Starter Switch Check

Warning When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. Before starting this check, be sure there is enough room around the vehicle...

Other information:

GMC Terrain 2018-2026 Owners Manual: Cargo Cover

Warning An unsecured cargo cover could strike people in a sudden stop or turn, or in a crash. Store the cargo cover securely or remove it from the vehicle. Warning Do not place objects on the cargo cover. Sudden stops or turns can cause objects to be thrown in the vehicle...

GMC Terrain 2018-2026 Owners Manual: Filling the DEF Tank

Caution Use only DEF that is GM approved, or fluid containing the API certified or ISO 22241 label. The use of other fluids could damage the system, requiring costly repairs that will not be covered by the vehicle warranty. Caution Do not mix fuel with DEF, and do not put DEF in the fuel tank...