See also:

Chassis/Body/Suspension/Tires/Brakes
The Lexus IS models provide a sporty driving experience while also offering a supple, quiet ride. The double-wishbone front suspension and multi-link rear suspension use high-strength steel and al ...

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 ...

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 ...