Low Rate Automotive Locksmith we are your source for free instructions on how to program your Lexus keyless entry remote control and all other kinds of vehicles, both foreign and domestic. Whether you drive a car, a truck, or an SUV we have the information you need to program your remote. Low Rate Locksmith offers detailed step-by-step directions from the manufacturer of your Lexus car or truck, detailing how to program the key fob remote control, or programmable key for your vehicle. If you have lost a key, replaced a defective key-less entry remote, or added a new key, we have the instructions that you need to make the remote control work for your car, truck, van, or sport utility vehicle. Please select your Year from the menu below.

Here is the list of Lexus GS400 Years and models this supports:

  • 1998 Lexus GS400
  • 1999 Lexus GS400
  • 2000 Lexus GS400


1998-2000 Lexus GS400 Car Key Fob and Remote Programming Instructions:

OTE: Program remote when your transmitter is added, replaced or system malfunction

  • Driver’s door open, all other doors closed, key removed from ignition switch
  • Insert key into ignition switch, then remove it
  • Press LOCK and UNLOCK on the vehicle door lock control switch 5 times at 1 second intervals
  • close and re-open driver’s door
  • Press LOCK and UNLOCK on the vehicle door lock control switch 5 times at 1 second intervals
  • Insert key into ignition switch
  • Switch ignition ON and OFF once to program a key remote transmitter code whilst retaining the original codes or twice to program a key remote transmitter code whilst erasing the original codes, three times to check how many key remote transmitter are currently registered. Five times to erase all registered codes
  • Remove key from ignition switch – system should now lock and unlock vehicle once, twice or five times depending which mode has been selected. One to four times slowly, to indicate number of key remote transmitter registered
  • Press and release LOCK and UNLOCK buttons together
  • Press any key remote transmitter button for a minimum of 1 second
  • If required repeat button procedure to program remaining key remote transmitters.

NOTE: To exit programming mode – Close driver’s door or insert ignition key. Also now that a maximum of 4 key remote transmitters can be programmed.

If you have any questions or need a professional Lexus Locksmith To assist you with your Lexus GS400 Fab Programming, below is a list of Low Rate Locksmith Locations.




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