i haven't done anything recently to my alero at all andout of the blue today i went to start it started just fine... went to go put the key in (because i have remote start) turn it over everything came on fine and then when i went to go put it into drive i seen the bright light light(the blue light that indicates that the brights are on) flashed about 5 times and then the check engine light on the left side came on. it still seemed to drive perfectly and shifted fine.... like nothing was ever on i shut it off. let it sit for about 30 seconds started it again and the check engine light was off... put it in reverse nothing put it in neutral nothing and then put it in drive and it flashed again and the check engine light on the left came back on again. someone help me!!!
thanks
john