What does it men when the check engine light, check gas cap, service suspension system on a 2000 Cadillac devi?
It means to check to see if your gas cap is on right or in bad condition, your engine needs to be serviced your suspension also needs to be serviced. Go to the dealer for these things they will reset the light.
You need a scan tool to check for the problem. Go to autozone or any shop to get it check.
