1999 Lexus LS400 battery replacement

KEYS AND DOORS
18
1Locking the doors and sounding an alarm
2Unlocking the doors
3Indicator light
4Unlocking the trunk lid
NOTE: *This feature can be set inoperative as
vehicle theft deterrent measure in case of the loss ofthe wireless remote control key. Ask your Lexusdealer for details.
When you operate any button on the key, push it slowly
and surely.
The operational range of the wireless remote control is
approximately 1 meter (3 ft.). The effective range may
vary with different conditions. To activate the wireless
remote control without fail, do it approximately 1 meter
(3 ft.) from your Lexus. In the following cases, the battery in the key may be
discharged. If this is a case, replace it using a special
screwdriver.

The remote control does not work.
 The operational range of wireless remote control
becomes extremely short.
 The indicator light on the key is dimmed or does not
come on.
For the replacement of the battery, see ºReplacing the
batteryº on page 26. You can also have the battery of the
key replaced by your Lexus dealer.
If you lose the wireless key, contact your Lexus dealer
as soon as possible to avoid the possibility of theft, or an
accident.
You can use up to 4 wireless remote control keys for the
same vehicle. Contact your Lexus dealer for detailed
information.
The wireless remote control key is an electronic
component. Observe the following instructions in
order not to cause damage to the key.
 Do not leave the wireless remote control key on
places where the temperature becomes high such as
on the dashboard.
 Do not disassemble it.
 Avoid knocking it hard against other objects or

EXTERIOR EQUIPMENT
11 3
CAUTION
Make sure the cap is tightened securely to prevent
fuel spillage in case of an accident.
 Use only a genuine Lexus fuel tank cap for
replacement. It has a built±in check valve to reduce
fuel tank vacuum.
In case the opener is not actuated
15L008-2
Pull the manual lever toward the back.
This is used in case the fuel filler door cannot be opened
due to a discharged battery or other trouble.MOON ROOF

INTRODUCTION
393
Checking brake fluid
Parts (if level is low):

FMVSS No. 116 DOT 3 or SAE J1703 brake fluid
Tools:

Funnel (only for adding fluid)
Checking power steering fluid
Parts (if level is low):

Automatic transmission fluid DEXRON
II or III
Tools:

Rag or paper towel

Funnel (only for adding fluid)
Checking battery condition
Non±maintenance batteries
Tools:

Warm water

Baking soda

Grease

Conventional wrench (for terminal clamp bolts)
Maintenance type batteries Parts (if level is low):


Distilled water
Tools:

Warm water

Baking soda

Grease

Conventional wrench (for terminal clamp bolts)

Coin (for vent plugs)

Funnel (only for adding distilled water)
Checking and replacing the blade type
fuses
Parts (if replacement is necessary):

Fuse with same amperage rating as original
Checking the cartridge type fuses
Parts (if replacement is necessary):

Genuine Lexus fuse or equivalent with same
amperage rating as original

ELECTRICAL COMPONENTS
458

1Good 2Melted
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 byyour Lexus dealer.
CAUTION
Always use a genuine Lexus fuse or equivalent for
replacement. Never install an ordinary wire±even for a
temporary fix. This may cause extensive damage and
possibly a fire.