GM: SEE DOCUMENT SEARCH BUTTONFOR OWNER LETTER. ENHANCEMENTS FOR SIDE IMPACT POLE. A VEHICLE INSPECTION INDICATED THAT THE VEHICLE EXPERIENCED STRUCTURAL INTRUSION OF APPROXIMATELY 50MM INTO THE BATTERY, WHICH MAY RUPTURE THE COOLANT LINE CAUSING COOLANT LEAKAGE. *JS UPDATED 5/9/12. *PE UPDATED 5/11/12. *PE UPDATED 5/14/12. *PE UPDATED 5/15/12. *PE UPDATED 6/18/12. *PE
