Backup Lamp: Description and Operation
BACKUP LAMPSThe 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.