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:

    Service messages
    Information on the type of service and service intervals (see separate Service Booklet). You can obtain further information from an authorized Mercedes-Benz Center or at http://www.mbusa.com (USA ...

    Important safety notes
    WARNING The following factors increase the risk of accidents: Excessive speed, especially in turns Wet and slippery road surfaces Following another vehicle too closely The driving saf ...

    Replacing the battery
    - Do not let dust, oil or water get on or in the transmitter when replacing the battery. - Be careful not to damage the printed circuit board in the transmitter when replacing the battery ...