See also:

How do states use OBD II for emission inspections?
Many states connect a computer directly to a vehicle's OBD II system. The inspector can then read "faults." In some states, this type of inspection has replaced the tailpipe emission ...

Keyless locking and unlocking
Range of the keyless drive remote key–5 ft (1.5 meters) This system makes it possible to unlock and lock the vehicle without having to press any buttons on the Personal Car Communicators (PCC). I ...

Power brakes function only when the engine is running
The power brakes utilize vacuum pressure which is only created when the engine is running. Never let the vehicle roll to a stop with the engine switched off. If the power brakes are not working, ...