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Hi, Jennifer. Have you contacted Lexus Customer Service? 1 (800) 255-3987 -
I just asked our local dealership and he said Lexus releases the previous year update at the end of the current year. So 2023 will be available at the end of 2024. They also want $375 for the update!
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With mine I never lost any settings. Most cars dont lose anything that the owner can't easilt reset but if you are worried about it use a 12 volt supply that plugs into the cigarette lighter or USB Port to keep power to the ECU when you disconnect the battery. Use a smart trickle chrger like a NOCO. Mine goes into standby when the battery is fully charged, kicks back on when needed, then cuts off again. You can leave a NOCO 750 milliamp to 2 amp hooked up full time to take care of the battery. My Nocos even have seperate settings for flooded lead, AGM and lithium batteries. -
By Natty Bumppo · Posted
Thank you Dean2 Great information, lots to read. So I without issue I can connect the tender to the battery while the battery is in the car with the + and - cables connected. I would close the hood when the tender is on since my car has a hood open sensor that shows a hood open red light on the dash cluster. Q- When you were doing the volt - amp testing with the - cable disconnected and 12v gone from ECU what did you do to restore the computer settings after reconnecting the ground? I have done that amp draw testing on cars that are not so high tech but I am hesitant to do that amp draw testing on this car since the 12v will be gone and I am concerned about how to return all the settings. Have a good day Peter -
Is there going to be a recall for the known issue on the "foggy" display noted in the HUD? Appears to be a vast problem for many and the cost to replace out of pocket is 4500.00. Why wouldn't Lexus warranty this known problem?
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