See also:

Overview
The new 2004 Buick Rainier offers a level of style, ride, comfort and performance that sets it apart from other mid-size sport utility vehicles. Rainier comes standard-equipped with a Vortec 4200 ...

Interactive Drive Control System
Buick Regal's Interactive Drive Control System chassis technology (available on models with the available 2.0L turbo engine) offers enhanced vehicle stability and greater driving safety. It is des ...

Control of a Vehicle
The following three systems help to control the vehicle while driving—brakes, steering, and accelerator. At times, as when driving on snow or ice, it is easy to ask more of those control syste ...