GMC Terrain: Traction Control System (TCS) - Ride Control Systems - Driving and Operating - GMC Terrain Owner's ManualGMC Terrain: Traction Control System (TCS)

The vehicle has a Traction Control System (TCS) that limits wheel spin. On a front-wheel-drive vehicle, the system operates if it senses that one or both of the front wheels are spinning or beginning to lose traction. On an All-Wheel-Drive (AWD) vehicle, the system will operate if it senses that any of the wheels are spinning or beginning to lose traction. When this happens, the system brakes the spinning wheel(s) and/or reduces engine power to limit wheel spin.

The system may be heard or felt while it is working, but this is normal.

TCS is on whenever the vehicle is started. To limit wheel spin, especially in slippery road conditions, the system should always be left on. But, TCS can be turned off if needed.

flashes to indicate that the traction

control system is active. flashes to indicate that the traction control system is active.

If there is a problem detected with TCS, SERVICE TRACTION CONTROL and SERVICE STABILITRAK may be displayed on the Driver Information Center (DIC) and Messages on page 5‑30. When this message is displayed and will be on. See Ride Control System Messages on page 5‑30. When this message is displayed and safe to drive but the system is not operational. Driving should be adjusted accordingly. comes on and stays on, the vehicle is safe to drive but the system is not operational. Driving should be adjusted accordingly.

Notice: Do not repeatedly brake or accelerate heavily when TCS is off. The vehicle's driveline could be damaged.

If d comes on and stays on, reset the system by:

1. Stopping the vehicle.
2. Turning the engine off and waiting 15 seconds.
3. Starting the engine.

If a speed above 20 km/h (13 mph), see your dealer for service. still comes on and stays on at a speed above 20 km/h (13 mph), see your dealer for service.

A chime may also sound when the light comes on steady.

The is located on the console.

The TCS off light comes on and TRACTION CONTROL OFF is displayed on the Driver

The TCS off light comes on and TRACTION CONTROL OFF is displayed on the Driver Information Center (DIC) to indicate that the traction control system has been turned off. See Ride Control System Messages on page 5‑30.

TCS can be turned off by pressing and releasing comes on and the system will not limit. When TCS is turned off, wheel spin. Driving should be adjusted accordingly. Press and release comes on and the system will not limit wheel spin. Driving should be adjusted accordingly. Press and release TCS is turned off on AWD vehicles, the system may still make noise. This is normal again to turn the system back on. When TCS is turned off on AWD vehicles, the system may still make noise. This is normal and necessary with AWD hardware.

It may be necessary to turn the system off if the vehicle ever gets stuck in sand, mud, or snow and rocking the vehicle is required. See If the Vehicle Is Stuck on page 9‑15 for more information. See also Winter Driving on page 9‑13 for information on using TCS when driving in snowy or icy conditions.

If cruise control is being used when TCS activates, cruise control will automatically disengage. Press the cruise control button to re&-engage when road conditions allow. See Cruise Control on page 9‑38.

Adding non&-GM accessories can affect the vehicle's performance. See Accessories and Modifications on page 10‑3 for more information.

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