Operation CHARM: Car repair manuals for everyone.

Backup Lamp: Description and Operation

Backup Lamps Description

The backup lamps are located in the rear combination lamps They will come ON when the transaxle is shifted into reverse. On a vehicle with an automatic transaxle, the backup lamps are activated by the Neutral Safety Backup (NSBU) switch. On a vehicle with a manual transaxle, they are activated by a reverse switch which is part of the transaxle.