I am filing a safety complaint regarding my 2014 Chevrolet Camaro V6 with the 3.6L LFX engine because the vehicle intermittently stalls and/or will not restart after being driven or exposed to high ambient temperatures. I live in [XXX], where extreme temperatures and extended idling in traffic are normal driving conditions. The vehicle can operate normally and then experience a fuel-delivery-related failure after becoming hot. It may stall or fail to restart and can remain unable to start until it cools down. This makes the vehicle unpredictable and unsafe to operate because I cannot know when it will lose the ability to run or restart. This is especially dangerous in Phoenix traffic. A driver cannot reasonably avoid traffic congestion, extended idling, construction, accidents, or other situations where the vehicle remains exposed to extreme heat. I have had to alter how and where I drive because I am concerned that the vehicle may stall and leave me stranded in or near moving traffic. The vehicle has experienced fuel-system-related diagnostic trouble codes, including P2635 (Fuel Pump Flow Performance), P069E, and P018B. The high-pressure fuel pump has already been replaced, but the problem has continued. General Motors has also issued technical information addressing heat-related fuel system concerns involving this engine/platform. I have raised the issue with Chevrolet/General Motors and have GM case number XXX. Despite the recurring safety-related symptoms, I have not been