When it’s time for vehicle repair for your Chevrolet, Buick, GMC or Cadillac, trust the people who know your vehicle best—the Certified Service experts. Trained Certified Service technicians pair their meticulous skill with advanced diagnostics and connected technology to deliver the authentic expertise your vehicle deserves.
Scheduling service is quick and easy. Make your next appointment online by locating a Certified Service dealer near you.
From checking your OnStar®† or Connected Services plan to downloading your Owner’s Manual, managing your vehicle online has never been easier.
1. Requires paid plan, working electrical system, cell reception, GPS signal, armed GM factory-installed theft-deterrent system, contact method on file and enrollment to receive alerts. Additional messaging and data rates may apply. Services are intended to assist with vehicle recovery and do not prevent theft or protect against damage or loss. See onstar.com for details and limitations.