2012 Lexus GS250 maintenance

6986-3. Do-it-yourself maintenance
GS350/250_EE (OM30C36E)Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
Use a CR2032 lithium battery
Batteries can be purchased at any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional, local electrical appliance
shops or camera stores.
Replace only with the same or equivalent type recommended by the manu-
facturer.
Dispose of used batteries according to local laws.
When the card key battery needs to be replaced (if equipped)
The battery for the card key is available only at Lexus dealers. Your Lexus
dealer can replace the battery for you.
If the electronic key battery is depleted
The following symptoms may occur:
The smart entry & start system and wireless remote control will not func-
tion properly.
The operational range will be reduced.
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699 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)
CAUTION
Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a
child, they can cause choking. Failure to do so could result in death or seri-
ous injury.
Lithium battery precautions
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCOR-
RECT TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUC-
TIONS
NOTICE
For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
Always work with dry hands.
Moisture may cause the battery to rust.
Do not touch or move any other component inside the remote control.
Do not bend either of the battery terminals.

7006-3. Do-it-yourself maintenance
GS350/250_EE (OM30C36E)
Checking and replacing fuses
Turn the engine switch off.
After a system failure, see “Fuse layout and amperage ratings”
for details about which fuse to check. (P. 705)
Open the fuse box cover.
Engine compartment: type A fuse box (left-hand drive vehicles)
Push the tab in and lift the lid
off.
Engine compartment: type A fuse box (right-hand drive vehicles)
Push the tab in and lift the lid
off.
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
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701 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)
Engine compartment (type B fuse box)
Push the tab in and lift the lid
off.
Left side instrument panel (left-hand drive vehicles)
Remove the lid.
Left side instrument panel (right-hand drive vehicles)
Remove the lid.

7026-3. Do-it-yourself maintenance
GS350/250_EE (OM30C36E)
Right side instrument panel (left-hand drive vehicles)
Remove the lid.
Right side instrument panel (right-hand drive vehicles)
Remove the lid.

703 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)
Trunk
Push the tab in and lift the lid
off.
Remove the lid.
Remove the fuse with the pull-
out tool.
Only type A fuse can be removed
using the pullout tool.
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7046-3. Do-it-yourself maintenance
GS350/250_EE (OM30C36E)Check if the fuse is blown.
Normal fuse
Blown fuse
Type A and B:
Replace the blown fuse with a new fuse of an appropriate amperage rating.
The amperage rating can be found on the fuse box lid.
Ty p e C a n d D :
Contact any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional.
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Type AType B
Type CType D

705 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS350/250_EE (OM30C36E)
Engine compartment (type A fuse box)
Left-hand drive vehicles
Fuse layout and amperage ratings
FuseAmpereCircuit
1LH J/B-B40Left-hand junction block
2VGRS40No circuit
3RH J/B-B40Right-hand junction block
4P/I-B NO.280F/PMP, EFI MAIN, A/F HTR, EDU, IG2
MAIN
5ALT150R H J / B A LT, P / I A LT, L H J / B A LT,
LUG J/B ALT
6P/I ALT100RR DEF, TAIL, FR FOG, DEICER,
PANEL, RR S/SHADE
7RH J/B ALT80Right-hand junction block