OnStar Services
See also:
Grade Braking
The Grade Braking shift modes can be activated by pressing the button on the
end of the shift control lever. While in Range Selection Mode, Grade Braking is
deactivated allowing the driver to sele ...
Active Fuel Management®
Vehicles with V8 engines may have Active Fuel Management™. This system allows
the engine to operate on either all or half of its cylinders, depending on the driving
conditions. When less power is ...
Where to Put the Restraint
According to accident statistics, children and infants are safer when
properly restrained in a child restraint system or infant restraint system
secured in a rear seating position.
We recommend t ...






