Water intrusion through the HUMMER EV’s Infinity Roof Panels has been an ongoing issue, and GMC has just issued a new Service Bulletin with a fix that plans on getting the leaks under control. Released this month (April 2023), Service Bulletin N222378440 is for the 2022 model year GMC HUMMER EV Pickup. The condition: “On… Continue reading GMC Issues New Service Bulletin For HUMMER EV Center Roof Water Leaks
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General Motors has pushed out a substantial over the air update of the OnStar module for a long list of current and recent model year cars and trucks. Here’s how to check if you’ve gotten the update, what it fixes and what you can do if the update failed. Technical Service Bulletin: #20-NA-196 Release Date:… Continue reading GM Pushed Substantial OnStar Over The Air Update In September
A few months ago we started to notice something on our 2019 Silverado that no owner of a brand new vehicle wants to see. Rust. Specifically on our rear bumper, just around the plastic step. It wasn’t huge and didn’t spread very far from the edge… but we couldn’t stop noticing it. There was no… Continue reading Heads Up 2019 Silverado & Sierra Owners! GM Issues Service Update Regarding Rusting Bumpers
