THE ALL WHEEL DRIVE HAS FALLEN TWICE IN A YEAR. ALSO STATED THAT WHILE DRIVING ON THE SNOW THE ALL WHEEL DRIVE FAILED TO RESPOND WHICH IT CAUSED AN ACCIDENT DEALER WAS CONTACTED AND STATED THAT THE PROBLEM HAS BEEN FIX SO THERE IS NOTHING TO WORRY ABOUT BUT CONSUMER DOES NOT FEEL SAFE ON THE VEHICLE. TS DEALER CHECKED AND RESET WHEEL ALIGNMENT TO SPECS. INSPECTED DRIVELINE AND FRONT END. CONSUMER ALSO STATED VEHICLE DOES NOT HAVE STEADY IDLE. GM CURRENTLY WORKING ON IDLE CONCERN. WINDSHIELD MOULDING ON PASSENGER SIDE COMING OFF AND REPLACED. BRAKE PEDAL FADES AT STOP AND CLUCK INSIDE RIGHT REAR DOOR PANEL. NO PROBLEM FOUND. 4X4 LIGHT STAYED ON. 4WD SWITCH REPLACED. *TT