GMC Terrain: Driving and Operating / Fuel

Lane Keep Assist (LKA)

If equipped, LKA may help avoid crashes due to unintentional lane departures. It may assist by gently turning the steering wheel if the vehicle approaches a detected lane marking without using a turn signal in that direction...

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...

Other information:

GMC Terrain 2018-2026 Owners Manual: Engine Compartment Fuse Block


To remove the fuse block cover, squeeze the clips on the cover and lift it straight up. See Engine Compartment Overview. Caution Spilling liquid on any electrical component on the vehicle may damage it. Always keep the covers on any electrical component...

GMC Terrain 2018-2026 Owners Manual: Reading Lamps


There are reading lamps on the overhead console and over the rear passenger doors. These lamps come on when any door is opened. Front Reading Lamps The front reading lamps are in the overhead console. Press the lamp lenses to turn the front reading lamps on or off...

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