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Locked/unlocked car won’t start

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Old Oct 5, 2025 | 08:09 AM
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Exclamation Locked/unlocked car won’t start
Locked my car overnight. Unlocked this morning at 11.20. DID NOT TURN THE CAR ON. Got into car at 12.40pm (unlocked for 2 hours 20 minutes) car would not start with different symbols on dash than normal. It seemed “half on”! Then nothing. This is the second time this has happened when I have left the car unlocked for a period of time having been previously locked. Has this happened to anyone else I’m wondering? This is a major problem! No option but to call Lexus Assistance.
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Old Oct 5, 2025 | 08:30 AM
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How old is the car? Those can be symptoms of a bad battery.
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Old Oct 5, 2025 | 08:56 AM
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2025 13,000 km
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Old Oct 5, 2025 | 09:26 AM
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Definitely not age, but could still be a 12V battery issue. Let us know what Lexus finds.
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Old Oct 5, 2025 | 09:31 AM
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Will do….
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Old Oct 5, 2025 | 10:21 AM
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Do you drive this car daily or only once or twice per week? This is another clue. Let us know.
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Old Oct 5, 2025 | 10:33 AM
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I drive daily…the day before I drove approximately 80km…..
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Old Oct 8, 2025 | 09:32 AM
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Lexus checked out my car…..they say there was a bad cell in the battery so changed the 12V battery…. I still think they treated the symptom but not the cause….time will tell…..
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Old Oct 8, 2025 | 04:42 PM
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Originally Posted by Pam22
Lexus checked out my car…..they say there was a bad cell in the battery so changed the 12V battery…. I still think they treated the symptom but not the cause….time will tell…..
I've known a few people with brand new cars that got a bad battery/bad cell. Hope this fixes it for you.
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Old Feb 14, 2026 | 08:11 AM
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yes 12 volt battery is under size 285 CCA, a garden tractor has bigger you have to buy a battery not at Lexus you can get 480CCA ONE
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