Forward Vehicle's Start Monitoring Function Does Not Operate

Using CHECK LIST (FORWARD VEHICLE'S START MONITORING FUNCTION), check the following and respond to it. Ref. to EYESIGHT (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>LEAD VEHICLE START ALERT>CHECK LIST (FORWARD VEHICLE'S START MONITORING FUNCTION) 

• Does it apply to the condition that the forward vehicle's start monitoring function does not operate even when the preceding vehicle has already started?

Is there a relevant item in the check list?

Yes  : When there is a relevant item, it can be the cause of malfunction. Eliminate the cause, and check that the malfunction has been improved.

No  : Replace the stereo camera. Ref. to EYESIGHT>STEREO CAMERA