Water leaking into both front headlights results in dimming of headlights making it hard to see during nighttime driving and a real concern that the HID ballast wiring will short out causing complete loss of headlight operational function. There are many reports online of customers complaining that their HID headlights blew out due to water leakage and they were unable to see properly during nighttime driving. This is huge safety issue. Dealer Confirmed fault with both front headlight assemblies and verified significant water leakage into headlight assemblies. Customer called GM customer service where issue was escalated to senior advisor. Senior advisor was unable to offer any cost assistance to customer despite significant safety concerns, due to vehicle age of 5 years and 2 months. Total cost approximately $2300.

- Buffalo , NY, USA

Suddenly after leaving costco gas station and driving "no" display of millage. Speed gauges and all critical information went blank/black on drivers dash board with critical lights display showing trouble with vehicle by displaying yellow; and red exclamations; skid tire and no gauge readings for engine temkp; or nothing!. on star gave negative results for emergency help. Dealer stated car was reprogramed last week. Previous radio and blue tooth trouble reported to GM. They seem to ignore me. Troubled radio and navigation purposively fixed last week

- Victorville, CA, USA