2004 Lexus GX470 battery replacement

KEYS AND DOORS
16The 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 the 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 Replacing the batteryº
on page 20. 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 in places
where the temperature becomes high such as on the
dashboard.
 Do not disassemble it.
 Avoid knocking it hard against other objects or dropping it.
 Avoid putting it in water.

AUDIO
300
Replacing controller battery
For replacement, use a CR2025 lithium battery or equivalent.CAUTION
Special care should be taken that small children do not
swallow the removed battery or components.
NOTICE
When replacing the battery, be careful not to lose thecomponents.
Replace only with the same or equivalent type ofbattery recommended by a Lexus dealer.
Dispose of used batteries according to the localregulations.

AUDIO
323
Replacing controller battery
For replacement, use a CR2025 lithium battery or equivalent.CAUTION
Special care should be taken that small children do not
swallow the removed battery or components.
NOTICE
When replacing the battery, be careful not to lose thecomponents.
Replace only with the same or equivalent type ofbattery recommended by a Lexus dealer.
Dispose of used batteries according to localregulations.

INTRODUCTION
549
Checking brake fluid
Parts (if level is low):

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

Rag or paper towel

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
Tools:

Warm water

Baking soda

Grease

Conventional wrench (for terminal clamp bolts)
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
Adding washer fluid
Parts:

Water

Washer fluid containing antifreeze (for winter use)
Tools:

Funnel