CADILLAC\PONTIAC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CERTAIN MODEL YEAR CADILLAC AND PONTIAC VEHICLES EQUIPPED WITH A 4.6.L V8 ENGINE ARE INVOLVE WITH A VOLUNTARY EMISSION RECALL. THE SECONDARY AIR INJECTION (SAI) SYSTEM MAY HAVE BEEN DISABLED AS THE RESULT OF A PREVIOUS SERVICE PROCEDURE THAT INCLUDED POWERTRAIN CONTROL MODULE (PCM) REPROGRAMMING OR REPLACEMENT. *PE
