GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

GS450H don't want start after long stop

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Old 10-16-22, 02:09 AM
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jebkutach
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Default GS450H don't want start after long stop

Hello,
I have problem with my GS450h 2006
I did not start the car in 3 months, now i see statement - chceck hybrid system
i change 12V battery in trunk - there must be some special or normal 12V?
what could have happened? the hybrid battery is discharged? what now?
Old 10-21-22, 07:23 PM
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RamAirRckt
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Not a good thing. Lexus is very specific about driving the car at least once every 2 weeks.

Charge or replace the 12V battery. If it won’t start still it could easily be a dead traction battery.

Basically the 12v battery powers up the electronics and then fires up the inverter, then the motor generator kicks over the engine and it starts.
Old 01-19-23, 01:59 AM
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jebkutach
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battery 12V is new
i checkd on 3 differents battery
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