GMC Terrain: When the System Does Not Seem To Work Properly - Lane Departure Warning (LDW) - Object Detection Systems - Driving and Operating - GMC Terrain Owner's ManualGMC Terrain: 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.
○ The weather may be limiting visibility.

This is normal operation; the vehicle does not need service. Clean the windshield.

WARNING

If the LDW camera sensor is blocked by dirt, snow, or ice, or if the windshield is damaged, it may not detect a vehicle ahead. LDW may not help avoid a collision under these conditions. Do not rely on LDW when the camera is blocked by snow, ice, or dirt. Keep the windshield clean.

WARNING

If the headlamps are not cleaned or properly aimed, the LDW system may not detect lanes ahead. LDW may not help avoid a collision under these conditions. Keep the headlamps clean and properly aimed.

LDW warnings may occasionally occur due to tar marks, shadows, cracks in the road, or other road imperfections. This is normal system operation, the vehicle does not need service.

LDW Messages

FRONT CAMERA BLOCKED, CLEAN WINDSHIELD: This message may appear because the front camera is blocked and cannot operate properly. It may also activate during heavy rain or due to road spray.

LANE DEPARTURE SYSTEM UNAVAILABLE: This message may appear if LDW does not activate due to a temporary condition.

SERVICE FRONT CAMERA: This message may appear to indicate that LDW is not working properly. If this message remains on after continued driving, the system needs service. Take the vehicle to your dealer.

    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. The control indicator will light when LDW is ...

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