See also:

State emission testing (U.S. only)
WARNING Testing of an All-Wheel Drive vehicle must NEVER be performed on a single two-wheel dynamometer. Attempting to do so will result in uncontrolled vehicle movement and may cause an accident ...

Sirius satellite radio
Sirius satellite radio is a recent innovation that allows the listener to experience digital sound quality and to have a greater variety of channels. Use of satellite radio (Sirius) requires a tune ...

Emergency Locking Retractor (ELR)
The driver’s seatbelt has an Emergency Locking Retractor (ELR). The emergency locking retractor allows normal body movement but the retractor locks automatically during a sudden stop, impact or if yo ...