GMC Terrain: Drive Systems
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.
See also:
Engine Oil and Filter
Specified Oil
(1) Preferred
Use engine oil with the American Petroleum Institute Certified For Gasoline Engines
“Starburst” symbol. Select the appropriate oil viscosity according to the above
chart. We highly recommend you use SAE 5W- 30 o ...
Replacement of wiper blades
Grease, wax, insects, or other material on
the windshield or the wiper blade results in
jerky wiper operation and streaking on the
glass. If you cannot remove the streaks
after operating the windshield washer or if
the wiper operation is je ...

Automatic Transmission