2009 Cadillac STS-V Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2009 Cadillac STS-V
Verified by mechanics, reported by drivers like you
2009 Cadillac STS-V ProblemsCheck Engine Light Due to Loose or Worn Gas Cap
A loose or worn gas cap could be cause the Check Engine Light to illuminate.
The front turn signal and and daytime running light bulbs are prone to premature failure. Our technicians tell us that these bulbs can be very difficult to replace.