Here's How To Use The OEM Tire Inflator Kit In A GM Vehicle - NewsBreak

Most GM cars – not utility vehicles or trucks, but passenger cars – now leave the factory with a tire inflator kit rather than a spare wheel. This is done for several reasons, primarily to decrease vehicle weight and increase fuel economy. Given the increased popularity of including the tire inflator kit in place of an actual spare, GM Authority is providing a detailed overview of the tool, and how to use it.