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GM Certified Service

GM Certified Service
Product typeAuto repair service
OwnerGeneral Motors
CountryU.S.
Introduced1977 (1977)
MarketsU.S.
Websitemycertifiedservice.com

GM Certified Service, formerly GM Goodwrench, is an auto repair service for General Motors. In 2011, GM replaced the Goodwrench brand in the US with Cadillac, Buick, Chevrolet, and GMC Certified Service brands (Canada followed in 2014).