So the other night I get in my car after it has sat outside for 3 nights. Temps in the mid to low 30's. The car fires right up and seems to run fine. however, the ABS light, low oil, low coolant, charge and exhaust overheat lights remain on. So I am a bit perplexed. I check fuse and all is well. Next I check the forum and bingo-bad altenator. Had it fixed in a day. One question though, why not just a charge light?

 

if the voltage gets too low, all of the lights come on as if the car is just sitting there not running with the key in the ON position.