GMC Terrain: Performance and Maintenance

Traction Control System (TCS)

The traction control system limits wheel spin. The system is on when the vehicle is started.

○ To turn off traction control, press and release located on the console. illuminates and the appropriate DIC message displays. See Vehicle Messages on page 5‑26.

○ Press and release again to turn traction control back on. For more information, see Traction Control System (TCS) on page 9‑35.

StabiliTrak® System

The StabiliTrak system assists with directional control of the vehicle in difficult driving conditions. The system is on when the vehicle is started.

○ To turn off both Traction Control and StabiliTrak, press and hold until and illuminate and the appropriate DIC message displays. See Vehicle Messages on page 5‑26.

○ Press again to turn on both systems.

Tire Pressure Monitor

This vehicle may have a Tire Pressure Monitor System (TPMS).

The TPMS warning light alerts you to a significant loss in pressure of one of the vehicle's tires. If the warning light comes on, stop as soon as possible and inflate the tires to the recommended pressure shown on the Tire and Loading Information label. See Vehicle Load Limits on page 9‑16. The warning light will remain on until the tire pressure is corrected.

During cooler conditions, the low tire pressure warning light may appear when the vehicle is first started and then turn off. This may be an early indicator that the tire pressures are getting low and the tires need to be inflated to the proper pressure.

The TPMS does not replace normal monthly tire maintenance. It is the driver’s responsibility to maintain correct tire pressures.

Engine Oil Life System

The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life system should be reset to 100% only following an oil change.

Resetting the Oil Life System

1. Turn the ignition to ON/RUN, with the engine off.
2. Press the DIC MENU button to display the Vehicle Information menu.
3. Press either the up or down arrows to view REMAINING OIL LIFE.
4. Press the SET/CLR button until 100% is displayed.
5. Turn the key to LOCK/OFF. Or:

1. Turn the ignition to ON/RUN with the engine off.
2. Fully press and release the accelerator pedal three times within five seconds.

Fuel E85 (85% Ethanol)

Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85). See Fuel E85 (85% Ethanol) on page 9‑53. For all other vehicles, use only the unleaded gasoline described under Recommended Fuel on page 9‑51.

Driving for Better Fuel Economy

Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible.

○ Avoid fast starts and accelerate smoothly.
○ Brake gradually and avoid abrupt stops.
○ Avoid idling the engine for long periods of time.
○ When road and weather conditions are appropriate, use cruise control.
○ Always follow posted speed limits or drive more slowly when conditions require.
○ Keep vehicle tires properly inflated.
○ Combine several trips into a single trip.
○ Replace the vehicle's tires with the same TPC Spec number molded into the tire's sidewall near the size.
○ Follow recommended scheduled maintenance.

Roadside Assistance Program

As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance program. See Roadside Assistance Program (U.S. and Canada) on page 13‑7 or Roadside Assistance Program (Mexico) on page 13‑9 for more information.

Roadside Assistance and OnStar (U.S. and Canada)

If you have an active OnStar subscription, press the button and the current GPS location will be sent to an OnStar advisor who will assess your problem, contact Roadside Assistance, and relay your exact location to get the help you need.

Online Owner Center (U.S. and Canada)

The Online Owner Center is a complimentary service that includes online service reminders, vehicle maintenance tips, online owner manual, special privileges, and more.

OnStar®

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview on page 14‑1 for more information.

Vehicle Features

Keys and Locks