See also:

Engine immobilizer system
The vehicle's keys have built-in transponder chips that prevent the engine from starting if the key has not been previously registered in the vehicle's on-board computer. Never leave the keys insid ...

If a warning light turns on or a warning buzzer sounds...
Calmly perform the following actions if any of the warning lights turn on or flash. If a light turns on or flashes, but then turns off, this does not necessarily indicate a malfunction in the sy ...

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 ...