See also:

Event data recorder
Your vehicle has computers that monitor and control certain aspects of your vehicle. These computers assist in driving and maintaining optimal vehicle performance. Besides storing data useful for t ...

Performance
Every good mark the RX line up earns in other areas is discredited by the hybrid's performance attributes. To get such excellent mileage, the V-6 engine is teamed with an electric motor and a larg ...

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 ...