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Hybrid Technology Unique topics related to the 2010 - 2015 RX450H model hybrid drivetrain and other features/options found only on the RX450H. Please use the main forum for discussion about shared components with other third generation RX models.

RX450H Ready Light Not On / No Start Up

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Old Jan 15, 2021 | 09:01 AM
  #16  
2learn's Avatar
2learn
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6th Gear
 
Joined: Dec 2020
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From: California
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Originally Posted by NickSP
So your battery price was paid for by the dealer? That's nice. Yeah owning a hybrid before I knew what to look for. Luckily I found a RX where Lexus had changed the hybrid battery for the previous owner as goodwill. So I too am good to go.
No, it was not, unfortunately, this used car place, did not do the right thing, they knew the battery was bad, and cleared the warning light. The warning light “Check the Hybrid Battery System” turned on 5 days later, I had to replace the battery.


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Old Jan 15, 2021 | 02:27 PM
  #17  
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NickSP
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Joined: Jun 2020
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From: CA
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Originally Posted by 2learn
No, it was not, unfortunately, this used car place, did not do the right thing, they knew the battery was bad, and cleared the warning light. The warning light “Check the Hybrid Battery System” turned on 5 days later, I had to replace the battery.
Well at least you're all set now to enjoy the car. I hope you get many more years out of it. Also if you did decide to sell it then you should get a decent price given it has a new hybrid battery.
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Old Jan 18, 2021 | 08:37 PM
  #18  
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noku
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To prolong the high voltage battery lifespan, be sure that the system's cooling vent(s) (rear seat, rear deck, or C pillar) area are not blocked. Also, the cooling fan for the system or its filter (if any) may be dirty from excess dust, hair or pets which causes the battery to overheat and reduce lifespan.

Last edited by noku; Jan 18, 2021 at 08:41 PM.
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Old Jan 18, 2021 | 08:48 PM
  #19  
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noku
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Forgot to mention that rear seat covers or rear deck mats are also primary causes for overheating if they are blocking the fan vents too.
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