See also:

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. ` ...

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, ...

When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine oil and filter. This is based on a combination of factors which include engine revolutions, engine temperature, and miles dr ...