

When the LDWS is not working properly, the warning light will illuminate and the warning message will come on for a few second. After the message disappears, the master warning light will illuminate.
We recommend that the system be checked by an authorized Kia dealer.
Lane departure warning system (LDWS)
The LDWS does not operate
whenKia Cee'd JD Service Manual: Input Speed Sensor 1 Description and operation
Description
The input shaft speed sensor is important in that it detects the input shaft
RPM and sends this information to the Transmission Control Module (TCM).
It provides important input information for electric control.
The information is needed in all operations, i ...
Kia Cee'd JD Service Manual: Troubleshooting
Trouble Symptom Charts
Trouble Symptom 1
Trouble Symptom 2
Trouble symptom
Probable cause
Remedy
The set vehicle speed varies greatly upward or downward
"Surging" (repeated alterna ...