See also:

Vehicle Data Recording and Privacy
Your GM vehicle has a number of sophisticated computers that record information about the vehicle’s performance and how it is driven. For example, your vehicle uses computer modules to monitor ...

California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel is n ...

LaCrosse Four-Cylinder in the Market
The four-cylinder LaCrosse is sure to appeal to some buyers, but there's no way it will put much of a dent in the six-cylinder mix. While roughly 80 percent of the best-selling midsize cars are fo ...