See also:

Check Engine Light
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors operation of the fuel, ignition, and emission control systems. It ensures that emissions are at acceptable levels ...

Vehicle Information Menu Items
Press MENU on the turn signal lever until the Vehicle Information Menu is displayed. Use w / x to scroll through the following menu items: Unit Tire Pressure Remaining Oil Life Battery Vol ...

Additives
To provide cleaner air, all gasolines in the United States are now required to contain additives that will help prevent engine and fuel system deposits from forming, allowing your emission control ...