If you do not have it written down in the owner's manual, you need to contact a Lexus DEALER. You will more than likely need the serial# off the radio. That will require removing the radio. Check with Lexus to b sure.
If the code is not in the owner's manual then call the nearest dealer and tell them the VIN #. They can trace it.
first of all it is a 12 disc changer not 10. the changer is made by Panasonic but they are not woth fixing as they skip a lot and don't play burnt cds. better to switch to Lexus es300 6 disc made by pioneer. 1996 es300 changers mare best. you will have to modidify install bracket.
2003 es300 lexus
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Unfortunately, the 2002 es300 was the first year that Lexus did not use a IACV in the ES300.
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1992 Lexus es300 wear the thermostat is located
94.9 then you will see the security light on wait about 30 sec's it will start to blink then its on.
How do you troubleshoot a power steering leak on a 1993 Lexus ES300?"