2011 Lexus IS 350 User Guide - Page 136

2-1. Driving procedures NOTICE n If you hear a squealing or scraping noise (brake pad wear limit indicators) Have your Lexus dealer check and replace the brake pads as soon as possible. The rotor damage can result if the pads are not replaced when needed. Front brake only: Moderate levels of the brake pad and disc wear allow enhanced front braking power. As a result, the discs may wear more quickly than conventional brake discs. Therefore, when replacing the brake pads, Lexus recommends that you also have the thickness of the discs measured. It is dangerous to drive the vehicle when the wear limits of the brake pads and/or those of the brake discs are exceeded. n If you get a flat tire while driving 2 When driving A flat or damaged tire may cause the following situations. Hold the steering wheel firmly and gradually press the brake pedal to slow down the vehicle. l It may be difficult to control your vehicle. l The vehicle will make abnormal sounds. l The vehicle will behave abnormally. Information on what to do in case of a flat tire (→P. 509) n When encountering flooded roads Do not drive on a road that has flooded after heavy rain etc. Doing so may cause the following serious damage to the vehicle. l Engine stalling l Short in electrical components l Engine damage caused by water immersion In the event that you drive on a flooded road and the vehicle is flooded, be sure to have your Lexus dealer check the following. l Brake function l Changes in quantity and quality of oil and fluid used for the engine, transmission, differential, etc. l Lubricant condition for the propeller shaft, bearings and suspension joints (where possible), and the function of all joints, bearings, etc. 143