GMC Terrain: All-Wheel Drive - Drive Systems - Driving and Operating - GMC Terrain Owner's ManualGMC Terrain: All-Wheel Drive

Vehicles with this feature always send engine power to all four wheels. It is fully automatic, and adjusts itself as needed for road conditions.

When using a compact spare tire on an AWD vehicle, the system automatically detects the compact spare and disables AWD. To restore AWD operation and prevent excessive wear on the system, replace the compact spare with a full-size tire as soon as possible. See Compact Spare Tire on page 10‑75 for more information.

    Brakes
    ...

    See also:

    Emergency Towing
    If your vehicle needs to be towed, call a professional towing service or organization. Never tow your vehicle with just a rope or chain. It is very dangerous. On 4WD models The only way you ...

    Readiness for Inspection/Maintenance (I/M) test
    A vehicle equipped with All-Wheel Drive (AWD) should never be tested using a two wheel dynamometer (such as the dynamometers used by some states for emissions testing), or similar equipment. M ...

    Low beams
    When the engine is started, the low beams are activated automatically (daytime running lights) if the headlight control is in position 0 or . Daytime running lights can be deactivated in the ...