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 ...

If your vehicle overheats
The following may indicate that your vehicle is overheating: l “ENGINE OVERHEAT” is shown on the multi-information display: The engine may be overheating. “HYBRID SYSTEM OVERHEAT” is shown on the m ...

Features
While the RX 450h is reasonably priced to start at $42,110, adding options quickly ratchets up the sticker price. Items you might find standard on other cars in this class, like those heated and c ...