I currently drive a 2009 Pontiac G3 with less than 30,000 miles on it. I've never had any problems, it's never had work done. The other night, it was really cold out, and I went to start my car. The battery (lights, radio) came on, but the engine did not start. It didn't make any unusual noises. Just didn't start. I tried a handful of times, nothing. My dad tried to look at it a little while later. Still wouldn't start, but when he turned the radio off and then tried again, it started. Since then, I've started it multiple times (radio on and off) with ZERO problems. My dad thinks it could be an electrical problem. Does anyone know what could have caused this, or if I need it looked at or the fact that it was a on-time thing and nothing else is wrong means I shouldn't worry about it?