Dodge 2010 Avenger - Manual (Page 393)

Taillamps, Rear Turn Signals and Backup Lamps
The turn signal, brake, taillamps and backup lamps are
located in the rear corner body panel housing.
1. Open the trunk and gently pull back the trunk liner
behind the taillamp.
2. Remove the two plastic wing nuts from the taillamp
housing.
392 MAINTAINING YOUR VEHICLE