See also:

Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. If the malfunction indic ...

Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. If the malfunction indic ...

Tire information
Typical tire symbols - Standard tire. - Compact spare tire. 1. Tire size . 2. DOT and Tire Identification Number (TIN). 3. Location of treadwear indicators. 4. Tire ply composition and mater ...