GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Panel Identification (Hardtop)


Object Number: 1463921  Size: LF
(1)RRIM (Reinforced Reaction Injection Molded)
(2)TSGS (Two Sided Galvanized Steel)
(3)UHSS (Ultra High Strength Steel)
(4)SMC (Sheet Molded Compound)
(5)AL (Aluminum)
Figure 2:

Panel Identification (Convertible)


Object Number: 1463931  Size: LF
(1)RRIM (Reinforced Reaction Injection Molded)
(2)TSGS (Two Sided Galvanized Steel)
(3)UHSS (Ultra High Strength Steel)
(4)SMC (Sheet Molded Compound)
(5)AL (Aluminum)