Lexus GS450h Owner's Manual page 441

After a fuse is replaced
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If the lights do not turn on even after the fuse has been replaced, a bulb may need
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replacement. (P. 442)
If the replaced fuse blows again, have the vehicle inspected by any authorized Lexus
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retailer or Lexus authorized repairer, or any reliable repairer.
If there is an overload in a circuit
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The fuses are designed to blow, protecting the wiring harness from damage.
When replacing light bulbs
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Lexus recommends that you use genuine Lexus products designed for this vehicle.
Because certain bulbs are connected to circuits designed to prevent overload, non-gen-
uine parts or parts not designed for this vehicle may be unusable.
WARNING
To prevent system breakdowns and vehicle fire
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Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or injury.
Never use a fuse of a higher amperage rating than that indicated, or use any other
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object in place of a fuse.
Always use a genuine Lexus fuse or equivalent.
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Never replace a fuse with a wire, even as a temporary fix.
Do not modify the fuses or fuse boxes.
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NOTICE
Before replacing fuses
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Have the cause of electrical overload determined and repaired by any authorized
Lexus retailer or Lexus authorized repairer, or any reliable repairer as soon as possible.
GS450h_300h_OM_OM30F92E_(EE)
6-3. Do-it-yourself maintenance
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