Steve ES350 Posted January 23, 2023 Share Posted January 23, 2023 Last week I replaced the battery in my new (to me) 2013 RX350, used a jumper to not screw up all the settings. Then three days ago I used an OBD2 (carista) to check for ECU faults, and all was good. Disconnected it, and left the car parked. Today, upon driving it, the dash is lit up like a Christmas tree. I'm hoping this is a quick series of off/on switches or similar... help please Quote Link to comment Share on other sites More sharing options...
RX400h Posted January 24, 2023 Share Posted January 24, 2023 Did you check OBD2 for codes since the warning lights event? I would also check that the battery cables are tight and check the battery voltage before and after starting the vehicle. Quote Link to comment Share on other sites More sharing options...
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