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.
See also:
Cleaning the BLIS camera lenses
In order to function optimally, the BLIS camera
lenses must be kept clean. They can be wiped
clean with a soft cloth or wet sponge.
CAUTION
• Clean the lenses carefully to avoid
scratching.
• ...
Function
The driver sees what is behind the vehicle and
if a person or animal should suddenly appear
from the side.
PAC is mounted on the tailgate, near the opening
handle.
The camera has built-in el ...
Erasing HomeLink Buttons
To erase programming from the three Home- Link buttons (individual buttons cannot
be erased but can be “reprogrammed” as outlined below), follow the step noted:
1. Press and hold the two outer Home ...
