Before servicing the brakes on 20212023 GM trucks and SUVs, the negative battery cable must be disconnected. However, before this can be done, the parking brake must be put in service mode. Follow along as Master Trainer Ryan Payne of Garage Gurus shows three different ways to put the parking brake in service mode – in the vehicle and using Autel and TopScan scan tools. Then Ryan demonstrates how to take the parking brake out of service mode using same three methods he earlier shared. Count on Garage Gurus to help you get your vehicle repair done right.

Visit Garage Gurus at https://www.garagegurus.tech for more tips and information for your vehicle.

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The content in this video is for informational purposes only. You should consult with a certified technician or mechanic if you have questions relating to any of the topics covered herein. Tenneco will not be liable for any loss or damage caused by your reliance on any content.