SATURN\CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. LOSS OF HYBRID FUNCTION-REPLACE BATTERIES. THE HYBRID FUNCTION ON THESE VEHICLES MAY BECOME INOPERATIVE. CHECK ENGINE LIGHT WILL ILLUMINATE IN INSTRUMENT PANEL AND/OR SERVICE HYBRID MESSAGE IN DRIVER INFORMATION CENTER, THE ENGINE WILL RUN IN GASOLINE ENGINE MODE AND FUEL ECONOMY WOULD REDUCED. CSC LETTER WAS RECEIVED. MODELS AURA, VUE AND MALIBU. *PE
