If You Hear A Squealing Or Scraping Noise (Brake Pad Wear Limit Indicators); When The Vehicle Is Stopped - Lexus GS450h Owner's Manual

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4-1. Before driving

If you hear a squealing or scraping noise (brake pad wear limit indicators)

Have the brake pads checked and replaced by your Lexus dealer as soon as possi-

Rotor damage may result if the pads are not replaced when needed.

Front brakes only: Moderate levels of brake pad and disc wear allow enhanced

front braking power. As a result, the discs may wear more quickly than conven-

tional 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.

Do not depress the accelerator pedal unnecessarily.

If the vehicle is in any gear other than P or N, the vehicle may accelerate suddenly

and unexpectedly, causing an accident.

In order to prevent accidents due to the vehicle rolling away, always keep

depressing the brake pedal while the "READY" indicator is on, and apply the

parking brake as necessary.

If the vehicle is stopped on an incline, in order to prevent accidents caused by the

vehicle rolling forward or backward, always depress the brake pedal and securely

apply the parking brake as needed.

Avoid revving or racing the engine.

Running the engine at high speed while the vehicle is stopped may cause the

exhaust system to overheat, which could result in a fire if combustible material is

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