See also:

Channel lock
Access to specific channels can be restricted (locked). A locked channel will not provide audio, song titles, or artist information. NOTE All channels are initially unlocked. Locking a channel ...

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 ...

Operating DAC
Certain settings can be made from the menu system controlled from the center instrument panel. The current system status can be checked on the trip computer’s display by using the buttons on ...