Repair procedures: Inspection

Disconnect the back up lamp switch connector.

Fig 1: Identifying Back Up Lamp Switch Connector
Courtesy of KIA MOTORS AMERICA, INC.
Check the continuity between no. 1 and 2 terminals of backup lamp switch.
When the shift lever is in reverse, there should be continuity.
If necessary, repair or replace the backup lamp switch.

Fig 2: Checking Continuity Between No. 1 And 2 Terminals Of Backup Lamp Switch
Courtesy of KIA MOTORS AMERICA, INC.