HVAC system auxiliary provisions. Not available with (LWN) 2.8L Duramax Turbo-Diesel engine, (YA2) sliding passenger-side door or (ZP6) 5-passenger Express Crew Van Package.) ...

Included with (PCH) Hotel Shuttle Package or (YF2) Ambulance Package.) (Not available to order at this time. Requires (PRP) Express Access ... covering and (ENC) HVAC system auxiliary provisions.) ...