What component or system failed or malfunctioned, and is it available for inspection upon request? The Toyota 2.4L 2AZ-FE engine in my 2009 Pontiac Vibe GT suffers from excessive oil consumption due to a known piston ring defect. The rapid oil loss between changes puts the engine at risk of failure. The vehicle is available for inspection upon request. How was your safety or the safety of others put at risk? This issue poses a serious safety risk because: 1.Oil levels drop unpredictably, increasing the risk of sudden engine failure while driving, which could lead to accidents. 2.No dashboard warning appears when oil is low, making it difficult to detect before damage occurs. 3.Toyota acknowledged this defect under Warranty Enhancement ZE7, but Pontiac Vibe owners were excluded, despite having the same Toyota-manufactured engine. Has the problem been reproduced or confirmed by a dealer or independent service center? Yes. Independent mechanics have confirmed the excessive oil consumption, consistent with the known Toyota 2AZ-FE defect. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives, or others? ¢Toyota acknowledged the issue in their vehicles but refused assistance for the Pontiac Vibe GT. ¢GM has not inspected the vehicle, even though they marketed and sold it. Were there any warning lamps, messages, or other symptoms of the problem prior to the failure, and when did they first appear? ¢No warning lights indicate low oil levels. ¢Symptoms include rapid oil loss, increased engine noise, and potential knocking if oil is not constantly monitored. Summary for NHTSA The Pontiac Vibe GT uses the Toyota 2AZ-FE engine, which Toyota admitted has a piston ring defect. Toyota extended warranties for their vehicles but excluded Pontiac Vibe owners, leaving us with a known defective engine. This creates a safety risk that should be investigated.