What will happen in the vehicle when the lane departure system is defective?

A)The dipped-beam headlights will come on.
B)The vehicle will stop.
C)A warning will appear.Correct
When the lane departure system in a vehicle is defective, a warning will be activated to inform the driver about the failure.
This warning may be visual, audible, or both, and serves to alert the driver that the system is not working correctly and that they should proceed with caution or seek technical assistance.