1999 Lexus ES300 air condition

HOW TO USE THIS MANUAL
iv
HOW TO USE THIS MANUAL
The contents of this manual are explained briefly on
this page to help you make the best use of the
manual. Please read this page and the rest of the
Owner's Manual carefully to make sure you fully
understand the operation of your vehicle.
This will help you enjoy safe and comfortable
driving.
TABLE OF CONTENTS
The table of contents and the pictorial index provide
easy reference to the appropriate pages.
BASIC OPERATION ± QUICK REFERENCE
Operation of basic equipment is briefly explained in an
easily understandable way for quick reference.
SECTION 1 ± INSTRUMENTS AND
CONTROLS
The vehicle's equipment is divided into the 7 groups
listed below. Use of the equipment is explained,
including any points you should pay particular attention
to.
1. Keys and doors
2. Switches
3. Gauges, meters and service reminder indicators
4. Interior equipment5. Exterior equipment
6. Comfort adjustment
7. Theft deterrent
SECTION 2 ± AIR CONDITIONING AND AUDIO
The features of the vehicle's air conditioning and audio
are explained in detail. Be sure to read this section so
that you can make full use of them.
SECTION 3 ± STARTING AND DRIVING
Starting the engine, driving, stopping, operation of
features affecting vehicle handling, hints on vehicle
safety and safe driving techniques are all explained.
Please read everything in this section, and remember ±
drive safely!
SECTION 4 ± IN CASE OF AN EMERGENCY
This
section explains what to do in the event of an urgent
situation such as the engine not starting or getting a flat
tire, etc. If such a problem occurs, check the contents
of this Owner's Manual and follow the instructions given.
SECTION 5 ± MAINTENANCE
This section explains the importance of regular
maintenance. Regular and periodic inspection and
maintenance of your Lexus will help to keep your vehicle
in its best condition.
SECTION 6 ± SERVICE PROCEDURES AND

For detailed information, refer to the description given in each section\
.
PICTORIAL INDEX
viii
Page
1 Door lock switch and power windowswitches 25, 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Headlight, turn signal and fog light switch 28
3 Power rear view mirror control switch 120 . . .
4 Instrument panel light control 65
. . . . . . . . . . . .
5 Trunk lid opener 99
. . . . . . . . . . . . . . . . . . . . . . . .
6 Fuel filler door opener 100
. . . . . . . . . . . . . . . . . .
7 Hood lock release lever 96
. . . . . . . . . . . . . . . . .
8 Parking brake 259
. . . . . . . . . . . . . . . . . . . . . . . . .
9 Windshield wiper and washer switch 33 . . . . .
10 Cruise control switch 274
. . . . . . . . . . . . . . . . . . Page
11 Vehicle skid control system off switch or
Traction control system off switch 278, 284 . .
12 Emergency flasher switch 45
. . . . . . . . . . . . . . .
13 Clock 76
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14 Car audio 213
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15 Automatic air conditioning controls 200 . . . . .
16 Ashtray 76
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17 Automatic transmission selector lever 261 . . .
18 Seat heater switches 46
. . . . . . . . . . . . . . . . . . . .
19 Electronic modulated suspension
control switch 278 . . . . . . . . . . . . . . . . . . . . . . . . .
20 Glovebox/CD automatic changer 81/232 . . . . .

GAUGES, METERS AND SERVICE REMINDER INDICATORS
53
Your vehicle may overheat during severe operating
conditions, such as:

Driving up a long hill on a hot day.
 Reducing speed or stopping after high speed driving.
 Idling for a long period with the air conditioning on in
stop±and±go traffic.
 Towing a trailer.
NOTICE
Do not remove the thermostat in the engine
cooling system as this may cause the engine to
overheat. The thermostat is designed to control the flow of coolant to keep thetemperature of the engine within the specifiedoperating range.
Do not continue driving with an overheatedengine. See ºIf your vehicle overheatsº onpage 319.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
60If the brake fluid level is correct ...
Have
the warning system checked by your Lexus dealer.
(b) Seat Belt Reminder Light and Buzzer
Once the ignition key is turned to ºONº or ºSTARTº, the
reminder light and buzzer come on if the driver's seat
belt is not fastened. Unless the driver fastens the belt,
the light stays on and the buzzer stops after about 4 to
8 seconds.
(c) SRS Warning Light
The indicator comes on when the ignition key is
turned to the ºACCº or ºONº position. It goes off
after about 6 seconds. This means the SRS is
operating properly.
The SRS warning light system monitors the airbag
sensor assemblies, front airbag sensors, inflators, seat
belt pretensioners, warning light, interconnecting wiring
and power sources.
If either of the following conditions occurs, this indicates
a malfunction somewhere in the parts monitored by the
warning light system. Contact your Lexus dealer as
soon as possible to service the vehicle.
The light does not come on as described above.
 The light stays on or flashes.
 The light comes on or starts flashing while driving.
If the light stays on, it indicates that the driver and front
passenger airbags fail. If the light flashes, the side
airbags and/or seat belt pretensioners fail.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
61
(d) Discharge Warning Light
This light warns that the battery is being discharged.
If it comes on while you are driving, stop the vehicle, turn
off the engine, and check for the cause. Look first at the
engine drive belt.
If it is loose or broken, the generator will not charge
the battery properly.
 If the belt is O.K., there is a problem somewhere in the
charging system.
The engine ignition will continue to operate, however,
until the battery is discharged. Turn off the air
conditioning, blower, radio, etc., and drive directly to the
nearest Lexus dealer or repair shop.
NOTICE
Do not continue driving if the engine drive belt is broken or loose.
(e) Low Oil Pressure Warning Light
This light warns that the engine oil pressure is too low.
If it flickers or stays on while you are driving, pull off the
road to a safe place and stop the engine immediately.
Call a Lexus dealer or qualified repair shop for
assistance.
The light may occasionally flicker when the engine is
idling or it may come on briefly after a hard stop. There
is no cause for concern if it then goes out when the
engine is accelerated slightly.
The light may come on when the oil level is extremely
low. It is not designed to indicate low oil level, and the
oil level must be checked using the oil level dipstick.
NOTICE
Do not drive the vehicle with the warning light on± even for one block. It may ruin the engine.

COMFORT ADJUSTMENT
158
16E022
This SRS has an indicator to inform the driver of
operating problems. If either of the following conditions
occurs, this indicates a malfunction of the airbags and/or
seat belt pretensioners. Even if the seat belt
pretensioners should fail, the seat belts will operate
conventionally. Contact your Lexus dealer as soon as
possible to service the vehicle.
 The light does not come on as described above.
 The light stays on or flashes.
 The light comes on or starts flashing while driving.
If the light stays on, it indicates that the driver and front
passenger airbags fail. If the light flashes, the side
airbags and/or seat belt pretensioners fail.

SECTION 2
199
AIR CONDITIONING AND AUDIOAutomatic air conditioning controls
.
. . . . . . . . . . . . . 200 Audio
system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213

AIR CONDITIONING AND AUDIO
200
AUTOMATIC AIR CONDITIONING CONTROLS
20E001±3

The automatic air conditioning automatically
maintains the set temperature.
This air conditioning features automatic fan speed
and air flow control which automatically selects the
most suitable fan speed and air flow to control the
temperature. The ignition key must be in the ºONº
position.NOTICE
To prevent the battery from being discharged, do not leave the air conditioning on longer thannecessary when the engine is not running.