instrument panel Lexus GX470 2004 Audio System / LEXUS 2004 GX470 FROM JAN. 2004 THROUGH JUL. 2004 PROD. (OM60A87U) Owner's Guide

STARTING AND DRIVING
410
DOWNHILL ASSIST CONTROLSYSTEM
The downhill assist control system is a system that
assists the deceleration of the engine brake when you
drive down a steep hill. When you are driving down a hill
with the four-wheel drive control lever in the Lº position,
push the DACº switch to limit the vehicle's acceleration.
If the vehicle is traveling at a speed of 25 km/h (15 mph) or
less, you can descend at a constant speed.
CAUTION
Do not rely excessively on the downhill assist control
system. It may not be able to maintain a low speed over
road surfaces or off-road surfaces on which sliding can
easily occur, such as extremely steep slopes or icy or
muddy roads.
Turning on the system
1. Shift the four-wheel drive control lever to the Lº
position.
The system will not operate if the four-wheel drive control lever
is in the Hº position.
2. In order to make full use of the engine brake, putting the
transmission in Lº or 2º is recommended.
The system will operate even if the transmission selector lever
is in Dº, 4º, 3º or Nº. However, when it is in Lº or 2º the
engine brake can also be utilized enabling the system to
operate more effectively.
3. Push the DACº switch to turn the system on. The
downhill assist control system indicator light on the
instrument panel will come on.

STARTING AND DRIVING
411
If the downhill assist control system indicator light flashes, the
transmission selector lever may be in Nº or four-wheel drive
control lever may be in the Hº position.
If the indicator light does not come on when the switch is
pushed, contact your Lexus dealer.

Slip indicator light
With the vehicle traveling at a speed of 25 km/h (15 mph) or
less, release your foot from the accelerator or brake pedal to
activate the system. The vehicle will descend the hill at a low
speed. While the system is operating, the slip indicator light on
the instrument panel will flash and the stop lights and high
mounted stoplight will be lit.
If you push the DACº switch to turn the system off while it is
in operation, the system will stop operating gradually. The
downhill assist control system indicator light will flash to alert
the driver. To continue driving at a low speed, push the DACº
switch to turn the system on.
The slip indicator light and downhill assist control system
indicator l
ight come on for a few seconds when the ignition key
is turned to ONº. If any of the indicator lights does not come
on when the ignition is turned on, contact your Lexus dealer.
If the system is used frequently, the brake actuator
temperature may become too high and a buzzer will sound
intermittently.
If this happens, the downhill assist control system indicator
light will flash and a buzzer will sound intermittently. When the
temperature of the brake actuator goes down, the system will
begin to operate again. Until it restarts, the active traction
control system and hill-start assist control system will not
operate; however, the conventional brake can be operated.

STARTING AND DRIVING
427
Selector switch

1Main position22nd position
The selector switch is located in the lower part of the
driver's side instrument panel.
The ID code is given in the sensor. To activate the air
pressure warning system, it is necessary to register the ID
code of the sensor on the selector switch in the vehicle.
2 sets of ID codes can be registered. The code of the tires
originally installed on the vehicle is registered on the switch at
MAINº. Have a new tires set with new air pressure sensors
registered at 2ndº by Lexus dealer.
ID codes should be registered by Lexus dealer. Once
registered, change the setting position each time you purchase
tires and wheels. Re-registration is not required.
When purchasing new tires, consult your Lexus dealer.
CAUTION
When the tires whose ID code is registered at MAINº
are used, the system does not work properly with the
selector switch set at 2ndº. If the tires whose ID code
is registered at 2ndº are stored nearby, the system will
detect their tire pressure (and vice versa).

DRIVING TIPS
458
Never allow anyone to ride in the luggage
compartment. It is not designed for
passengers. They should ride in their seats
with their seat belts properly fastened.
Otherwise, they are much more likely to suffer
serious bodily injury, in the event of sudden
braking or a collision.
 Do not place anything on the luggage cover
behind the rear seatback. Such items may
be thrown about and possibly injure people
in the vehicle during sudden braking or an
accident.
 Do not drive with objects left on top of the
instrument panel. They may interfere with the
driver's field of view. Or they may move
during sharp vehicle acceleration or turning,
and impair the driver's control of the vehicle.
In an accident they may injure the vehicle
occupants.Capacity and distribution
Cargo capacity depends on the total weight of the
occupants.
(Cargo capacity) = (Total load capacity) - (Total weight
of occupants)
Steps for determining correct load limit
1. Locate the statement The combined weight of
occupants and cargo should never exceed XXX
poundsº on your vehicle's placard.
2. Determine the combined weight of the driver and
passengers that will be riding in your vehicle.
3. Subtract the combined weight of the driver and
passengers from XXX kilograms or XXX pounds.
4. The resulting figure equals the available amount of
cargo and luggage load capacity. For example, if the
XXXº amount equals 1400 lbs. and there will be five
150 lb. passengers in your vehicle, the amount of
available cargo and luggage load capacity is 650 lbs.
(1400 - 750 (5 x 150) = 650 lbs).
5. Determine the combined weight of luggage and
cargo being loaded on the vehicle. That weight may
not safely exceed the available cargo and luggage
load capacity calculated in Step 4.

INTRODUCTION
523
VEHICLE IDENTIFICATION
The vehicle identification number (VIN) is the legal
identifier for your vehicle. This number is on the left top
of the instrument panel and can be seen through the
windshield from outside.
This is the primary identification number for your Lexus. It is
used in registering the ownership of your vehicle.
The vehicle identification number (VIN) is also on the
Certification Label.
The engine number is stamped on the engine block as
shown.

ELECTRICAL COMPONENTS
584
SPECIFICATIONS
Ð FUSE LOCATIONS
64PY003

1Engine compartment
2Driver's side instrument panel
Ð FUSES

Engine compartment

ELECTRICAL COMPONENTS
585

Driver's side instrument panel

ELECTRICAL COMPONENTS
591
58IG110
Air conditioning system, back-up
lights, rear window defogger,
seat heaters, vehicle stability
control system
59STA7.5Multiport fuel injection
system/sequential multiport fuel
injection system
60P FR P/W20Front passenger's power window
61P RR P/W20Rear right side power window
62D RR P/W20Rear left side power window
63PANEL10Instrument panel lights
No.FUSEAMPERECIRCUIT
64TAIL10Parking lights, tail lights, license
plate lights, front fog lights
65ACC7.5
Shift lock control system, power
outlets, outside rear view
mirrors, car audio system,
navigation system, power rear
view mirrors, multi- information
display, rear view monitor
system
66CIG10Cigarette lighter
67POWER
OR TI&TE30Power windows, moon roof, tilt
and telescopic steering

ELECTRICAL COMPONENTS
598
CHECKING AND REPLACING THEBLADE TYPE FUSES
The engine compartment fuse box is located under the left
side engine compartment cover. Before checking the
engine compartment fuses, remove the cover. (For
details, see Removing the engine compartment coversº
on page 526.)

Engine compartment 1 Pull-out tool 2 Spare fuses

Driver's side instrument panel
1. Turn the ignition switch off and open the fuse box lid.
Determine which fuse may be causing the problem. The lid of
the fuse box shows the name of the circuit for each fuse.

ELECTRICAL COMPONENTS
601

Driver's side instrument panel

Good
Blown
If the headlights or other electrical components do not
work and the blade type fuses are O.K., check the
cartridge type fuses. If any of the cartridge type fuses are
blown, they must be replaced.
If there is an overload in the circuits from the battery, the fuses
are designed to blow before the entire wiring harness is
damaged.
NOTICE
Before replacing the fuses, have the cause of electrical overload determined and repaired by your Lexus dealer.