See also:

Readiness for Inspection/Maintenance (I/M) test
WARNING A vehicle equipped with All-Wheel Drive (AWD) should never be tested using a two wheel dynamometer (such as the dynamometers used by some states for emissions testing), or similar equipme ...

Bluetooth® Hands-Free Phone System (if so equipped)
- Use a phone after stopping your vehicle in a safe location. If you have to use a phone while driving, exercise extreme caution at all times so full attention may be given to vehicle operation. ...

Car phone or CB radio
When installing a CB, ham radio or car phone in your vehicle, be sure to observe the following precautions; otherwise, the new equipment may adversely affect the engine control system and other el ...