The GM Service Guy

Why Your GM OnStar System Stops Working (and How to Fix It) OnStar going dark, dropping calls, or refusing to connect is frustrating, especially if you rely on it for...

GM Radio and Infotainment Issues: Common Causes and Fixes A frozen touchscreen, a radio that won't turn on, or a stereo that randomly reboots is one of the most common...

How to Check for Open GM Vehicle Recalls Using Your VIN Whether you drive a Chevrolet, GMC, Buick, or Cadillac, General Motors gives every owner a fast, free way to...

How to Check for Open Buick Recalls Using Your VIN If you own a Buick, one of the most important — and most overlooked — things you can do to...

Engine Air Filter Maintenance Guide for GM Vehicles (Chevrolet, GMC, Buick & Cadillac) A clogged engine air filter doesn't just choke off power — on modern GM engines, it can...

Cabin Air Filter Maintenance Guide for GM Vehicles (Chevrolet, GMC, Buick & Cadillac) The cabin air filter is one of the cheapest, easiest services on this entire list — and...

Fuel Filter Maintenance Guide for GM Vehicles (Chevrolet, GMC, Buick & Cadillac) Most owners assume their GM vehicle has a fuel filter they can swap in the driveway — but...

Water Pump Maintenance Guide for GM Vehicles (Chevrolet, GMC, Buick & Cadillac) Water pump failure is one of the few maintenance issues on this list where the repair cost can...