When the lift gate on your car doesn’t function properly, it can be an annoyance at best and a safety hazard at worst. But if your lift gate's sagging, like so many do after years of use, don’t panic!

The largest automaker in the US market has identified an issue with the EZ Lift tailgate of the Chevrolet Silverado HD and GMC Sierra HD. General Motors reports that an estimated 323,232 vehicles were ...