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EXTERIOR VEHICLE MAINTENANCE

Explore helpful exterior maintenance information for your GMC vehicle as well as how to find a certified repair shop in the event of a collision.  

Windshield Wiper Types and Maintenance

Learn about different wipe blade types and proper wiper maintenance. 

How to Use Collision Assistance

Easily document vehicle collision event details and find a certified repair shop using the Collision Assistance feature in your myGMC mobile app.*

Our support search experience is powered by an AI assistant.

NEED MORE HELP?

Submit a support request to get answers to your vehicle questions about over-the-air software updates, driving and safety features, Wi-Fi issues and more.

REQUEST SUPPORT

For information specific to your vehicle, please refer to your Owner’s Manual.