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:
Reprogramming a Single HomeLink Button
To program a device to HomeLink using a
HomeLink button previously trained, follow
these steps:
1. Press and hold the desired HomeLink button.
DO NOT release the button.
2. The indicator light ...
Programming HomeLink
NOTE
Some vehicles may require the ignition
switch to be turned on or to the second
(“accessories”) position for programming
and/or operation of HomeLink. It is also recommended
that a new ba ...