Expert Advice from the GM Maintenance Experts
We've prepared some easy-to-follow information to help you maintain your GM car or truck performance. You can learn about GM technologies that have revolutionized automotive maintenance, get advice from our service experts and consult our Frequently Asked Questions for answers to your maintenance queries.
Replace a dirty air filter
Change your air filter as recommended. Between changes, inspect it by taking the filter out and tapping it against a hard surface. If dirt falls out, replace the filter. Doing so can improve fuel economy by up to 10%.
(Source: U.S. Environmental Protection Agency)