See also:

Check Engine Light
Your vehicle has a computer which monitors operation of the fuel, ignition, and emission control systems. This system is called OBD II (On-Board Diagnostics-Second Generation) and is intend ...

Trailer Brakes
Because the vehicle has antilock brakes, do not try to tap into the vehicle’s hydraulic brake system. If you do, both brake systems will not work well, or at all. Does your trailer have its own ...

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 ...