GMC Terrain: How the System Works - Lane Departure Warning (LDW) - Object Detection Systems - Driving and Operating - GMC Terrain Owner's ManualGMC Terrain: How the System Works

The LDW camera sensor is on the windshield ahead of the rearview mirror.

To turn LDW on and off, press the LANE DEPART control on the steering wheel.

To turn LDW on and off, press the LANE DEPART control on the steering wheel. The control indicator will light when LDW is on.

When the vehicle is started, the LDW indicator on the instrument panel will come

When the vehicle is started, the LDW indicator on the instrument panel will come on briefly.

LDW operates at speeds of 56 km (35 mph) or greater. If LDW is on, the LDW indicator will appear green if the system detects a left or right lane marking. This indicator will change to amber, flash, and three beeps will sound if the vehicle crosses a detected lane marking without using the turn signal.

To change the volume of the warning chime, see “Chime Volume” under Vehicle Personalization on page 5‑33 for more information.

    Lane Departure Warning (LDW)
    For vehicles with this feature, read the entire section before using it. WARNING The LDW system does not steer the vehicle and is an aid to help the vehicle stay in the driving lane. The LDW syste ...

    When the System Does Not Seem To Work Properly
    If the LDW symbol does not appear: ○ The lane markings on the road may not be seen. ○ The camera sensor may be blocked by dirt, snow or ice. ○ The windshield may be damaged. ` ...

    See also:

    Operating Instructions (Voice Command System) — If Equipped
    Refer to “Voice Command” in the Uconnect™ User Manual located on the DVD for further details. ...

    Snow tires
    If you equip your car with snow tires, they should be the same size and have the same load capacity as the original tires. Snow tires should be installed on all four wheels; otherwise, poor ha ...

    Engine
    Engines are more efficient when they are clean because grease and dirt buildup keep the engine warmer than normal. When washing: • Take care when using a power washer to clean the engine. The h ...