Avalanche 4WD V8-5.3L (2011)
12 - Object Alarm Sensor - Right Rear Middle (UD7)
13 - Object Alarm Sensor - Left Rear Middle (UD7)
14 - Object Alarm Sensor - Left Rear Corner (UD7)
15 - Tail/Turn Signal Lamp - Left (E52)/Turn Signal Lamp - Left Rear (TB7)
16 - Side Object Sensor - Left (UFT)
17 - Backup Lamp - Left
18 - Tail/Stop Lamp - Left
