See also:

Cruise control
Use the cruise control to maintain a set speed without using the accelerator. Set the vehicle speed Turn the “ON-OFF” button ON. Push the button once more to deactivate the cruise control. ...

Horn
To sound the horn, press on or close to themark. ...

Fifth Gear Lexus IS review
There is no tougher automotive segment in the world than the compact executive class, which has long since been ruled over by the BMW 3 Series and Audi A4. And the Lexus IS does run its German riv ...