alarm sound wont go off lights are off truck is shut off
does it have an alarm
Dinging sound inside van? If so try lubricating ignition switch where key slides in and out. It might still think the key is in ignition when it's actually out.
Looking for a Used Chevy Van in your area?
CarGurus has 61 nationwide Chevy Van listings and the tools to find you a great deal.
Search Chevrolet Chevy Van Questions
Chevrolet Chevy Van Experts