AXLE, 3.15 PERFORMANCE RATIO
PREFERRED EQUIPMENT GROUP
SOUND SYSTEM WITH NAVIGATION
WHEELS, POLISHED, 5-SPOKE ALUMINUM, 18'' x 8.5'' (45.7 CM x 21.6 CM), FRONT AND 19'' x 10.0'' (48.3 CM x 25.4 CM), REAR
MAGNETIC SELECTIVE RIDE CONTROL
SOUND SYSTEM FEATURE, XM SATELLITE RADIO.
ONSTAR, 1-YEAR SAFE AND SOUND SERVICE