My car shuts off randomly every now n then. I replaced the battery n the alternator n the starter is good. Idk what's going on. I took it to auto parts store n had the whole system checked. No check engine lights or anything. I drive the vehicle back n forth to work n this happens around 70degree weather. Always when I stop at a light, never when actually rolling/driving after about 20mins of driving. I also drive wit headlights on most of the time. Please help guys this has happened 5 times in a period of 3weeks!