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 test.
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Audio volume and automatic volume control
The infotainment system compensates for disrupting
noises in the passenger compartment
by increasing the volume according to the
speed of the vehicle. The level of sound compensation
can be se ...
Inflating tires
The tire sealing system can be used to inflate the tires. To do so:
1. Park the car in a safe place.
2. The compressor should be switched off. Ensure that the on/off switch is in
position 0 (the 0 ...
Benefits of digital broadcasting
• Better sound (FM sounds near CD quality
and AM as analogue FM).
• Some FM frequencies offer a greater number
of listening choices through “multicasting”
(consisting of a frequency's main
ch ...
