exterior equipment 6061 t6 hardened aircraft aluminum body composite hood heavy-duty ... cassette player 3-point safety belts air conditioning with auxiliary rear unit ... air inflation line with quick connects e-z ... inflation system ctis with on-board air compressor tire bead retaining system ... run-flat tire system note 3 concealed air delivery system note 3 departure angle ... run-flats featuring a fully concealed air delivery system to support ctis 37 x 12 ... nothing else is a trademark of general motors corp hummer and the vehicle s grille ... are registered trademarks of general motors corp torqtrac tt4/abs is a registered ... trademark of pilkington © 2003 general motors corporation ...