Saturn 2009 ASTRA - Manual (Page 214)

4. Unlock the six Center
High-Mounted Stoplamp
(CHMSL) clips.
5. Remove the CHMSL from the
top of the tailgate.
6. Reverse Steps 1 through 3 to
reinstall the lamp assembly.
Taillamps
(Five-Door Hatchback)
A. Backup Lamp
B. Taillamp
C. Taillamp/Stoplamp/Turn
Signal Lamp
9-30 Vehicle Service and Care