A Loose or worn gas cap may cause Check Engine Light to illuminate.
 
Resources for the Repair and Maintenance of your Chevrolet Malibu Hybrid
Chevrolet Malibu Hybrid Models:
Chevrolet Malibu Hybrid Problems
Chevrolet Malibu Hybrid Recalls (Recent)
Chevrolet Recalls 2009 Malibu Hybrids Due to Faulty HVAC System
Heating & Air Conditioning, December 17, 2008
RepairPal Expert Overview:
Chevrolet has recalled certain 2009 Mailbu Hybrid vehicles because the heating, ventilation, and air conditioning (HVAC) system may fail. If this system fails, the windshield may fog over and restrict visibility. Dealers will reprogram the HVAC system control head module.
Chevrolet Malibu Hybrid Model Years
Recent Chevrolet Repair Estimates