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2006 Lexus GS 300 Owners Manual - Page 1080

2006 Lexus GS 300 Manual

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STARTING AND DRIVING Any of the following conditions may occur, but does not indicate a malfunction: D The brake system warning light (red) may stay on for about 60 seconds after the engine is started. It is normal if the light turns off after a while. D Depressing the brake pedal repeatedly may turn on the brake system warning light (red). It is normal if the light goes out after a few seconds. D You may hear a small sound in the engine compartment after the engine is started or the brake pedal is depressed repeatedly. This is a pump pulsating sound of the brake system. Brake booster (GS300) The brake booster uses engine vacuum to power−assist the brakes. If the engine should quit while you are driving, you can bring the vehicle to a stop with normal pedal pressure. There is enough reserved vacuum for one or two stops but no more! CAUTION D Do not pump the brake pedal if the engine stalls. Each push on the pedal uses up your reserved vacuum. D Even if the power assist is completely lost, the brakes will still work. But you will have to push the pedal hard, much harder than normal. And your braking distance will increase. CAUTION D Do not pump the brake pedal if the engine stalls. Each push on the pedal uses up your reserved brake fluid pressure. D Even if the power assist is completely lost, the brakes will still work. But you will have to push the pedal hard, much harder than normal. And your braking distance will increase. Anti−lock brake system The anti−lock brake system is designed to automatically help prevent lock−up of the wheels during a sudden braking or braking on slippery road surfaces. This assists in providing directional stability and steering performance of the vehicle under these circumstances. Effective way to press the ABS brake pedal: When the anti−lock brake system function is in action, you may feel the brake pedal pulsating and hear a noise. In this situation, to let the anti−lock brake system work for you, just hold the brake pedal down more firmly. Do not pump the brake in a panic stop. This will result in reduced braking performance. 434

Section	Page
Gas Station Information	1
Repair Manual Information	2
Foreword	4
Important Information About Your Lexus	5
How To Use This Manual	9
Pictorial Index	12
Quick Reference	25
Keys and Doors	31
Switches	67
Gauges, Meters and Service Reminder Indicators	91
Interior Equipment	121
Exterior Equipment	147
Occupant Restraint Systems	161
Steering Wheel and Mirrors	227
Touch Screen	239
Air Conditioning	277
Audio	297
Starting and Driving	363
Driving Tips	473
In Case of An Emergency	485
Maintenance	515
Introduction	523
Engine	535
Chassis	555
Electrical Components	587
Body	613
Reporting Safety Defects For U.S. Owners	621
Foreword	623
Foreword	624
Important Information About Your Lexus	625
How To Use This Manual	630
Repair Manual Information	632
Pictorial Index	634
Quick Reference	647
Keys and Doors	653
Switches	691
Gauges, Meters and Service Reminder Indicators	715
Interior Equipment	745
Exterior Equipment	773
Occupant Restraint Systems	787
Steering Wheel and Mirrors	853
Touch Screen	865
Air Conditioning	903
Audio	925
Starting and Driving	991
Driving Tips	1101
In Case of An Emergency	1113
Maintenance	1145
Introduction	1153
Engine	1165
Chassis	1185
Electrical Components	1219
Body	1245

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Match case Limit results 1 per page

STARTING AND DRIVING

434

Any of the following conditions may occur, but does not

indicate a malfunction:

The brake system warning light (red) may stay on for about

60 seconds after the engine is started. It is normal if the light

turns off after a while.

Depressing the brake pedal repeatedly may turn on the

brake system warning light (red).

It is normal if the light goes

out after a few seconds.

You may hear a small sound in the engine compartment

after the engine is started or the brake pedal is depressed

repeatedly.

This is a pump pulsating sound of the brake

system.

CAUTION

Do not pump the brake pedal if the engine stalls.

Each push on the pedal uses up your reserved brake

fluid pressure.

Even if the power assist is completely lost, the brakes

will still work.

But you will have to push the pedal

hard, much harder than normal.

And your braking

distance will increase.

Brake booster (GS300)

The brake booster uses engine vacuum to power

−

assist the

brakes.

If the engine should quit while you are driving, you can

bring the vehicle to a stop with normal pedal pressure.

There

is enough reserved vacuum for one or two stops but no more!

CAUTION

Do not pump the brake pedal if the engine stalls.

Each push on the pedal uses up your reserved

vacuum.

Even if the power assist is completely lost, the brakes

will still work.

But you will have to push the pedal

hard, much harder than normal.

And your braking

distance will increase.

Anti

−

lock brake system

The anti

−

lock brake system is designed to automatically

help prevent lock

−

up of the wheels during a sudden

braking or braking on slippery road surfaces.

This assists

in providing directional stability and steering

performance of the vehicle under these circumstances.

Effective way to press the ABS brake pedal:

When the

anti

−

lock brake system function is in action, you may feel the

brake pedal pulsating and hear a noise.

In this situation, to

let the anti

−

lock brake system work for you, just hold the

brake pedal down more firmly.

Do not pump the brake in a

panic stop.

This will result in reduced braking performance.