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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From outside the vehicle
The remote key locks and unlocks all of the
doors and the tailgate.
Before the vehicle can be locked from the outside
with the remote key, the driver's door must
be closed. Any other door/tailg ...
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.
• ...
Overview
With dynamic design, high quality and class-leading safety, the Volvo S40
saloon is a true Volvo and one that asserts a unique identity in the growing
premium compact class.
Boasting a four-door ...
