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 ...

What’s it up against?
Equipped with a V8 engine, the GS’ biggest traditional rivals come from Germany – namely the BMW 550i and Mercedes-Benz E550. But can-do home-market competitor Infiniti’s new M56 presents serious ...

Reporting safety defects for U.S. owners
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in ad ...