HEAVY-DUTY POWER PACKAGE
ONSTAR PLUS PACKAGE
SUNROOF, POWER, TILT-SLIDING, ELECTRIC WITH EXPRESS-OPEN AND WIND DEFLECTOR
ONSTAR, ONE-YEAR OF SAFE AND SOUND SERVICE
REGULAR PRODUCTION ACCESSORY, ASSIST STEPS, CHROME PLATED TUBULAR, STAINLESS STEEL.
SOUND SYSTEM FEATURE, XM SATELLITE RADIO
TRAILERING EQUIPMENT, HEAVY-DUTY
DIFFERENTIAL, AUTOMATIC LOCKING, HEAVY-DUTY, REAR
ENGINE, DURAMAX 6600 TURBO DIESEL V8
TRANSMISSION, ALLISON 1000 6-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED WITH OVERDRIVE AND ELECTRONIC ENGINE GRADE BRAKING
