ses light 1996 jimmy

know very little about mechanics but would appreiciate any help
live in fla this morning colder than normal ses light went on for the fist time ever please help any suggestions or instruction

thank-you cos69moe

Take it to the nearest advance autoparts or autozone and have them pull the codes (it's free) Then come back here with the exact code number that came up (make sure they let you see the scanner) and we can help you further..