LS - 3rd Gen (2001-2006) Discussion topics related to the flagship Lexus LS430
View Poll Results: How long would the battery last parked at the airport, keyless entry left on?
A long weekend...3-4 days
1
6.67%
A full week...drop off Monday, come back Monday
1
6.67%
Two weeks should still be okay
5
33.33%
At least three weeks, maybe a month or more.
8
53.33%
Voters: 15. You may not vote on this poll

How long will you park car without starting?

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Old 05-28-16, 09:22 AM
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U8pilot
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Default How long will a batter charge last without driving

My 2003 LS 430 battery will drain down in 5 to 7 days of no driving
Old 05-28-16, 04:42 PM
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Kira X
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My 02 LS' battery has gone two weeks without starting and the battery was fine. It's a base model with no electronics though. My 05 I never went more than four days without starting it since I tend to drive it everywhere.
Old 05-28-16, 08:10 PM
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Arcturus
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Originally Posted by ejthomp
My wife and I like to travel. We just got back from a week long trip and found the battery on our 2005 LS430 was dead. I thought the battery should hold a charge longer even with the keyless entry left on so I just installed a new Interstate battery from Costco.

So, here is the question: If you need to leave your LS430 at the airport....and in your rush, you leave the remote keyless entry on... How long do you believe you should be able to park it and still have enough battery juice to start it when you return?
2 weeks and my 03 LS430 completely drained my new battery. It read 3.3V when I checked it. That being said it had been -20C outside for the time I was away so I'm sure this didn't help. Charged it with a trickle charger for 4 hours and it was good to go. No problems since. If you're going away for a long time disconnect the negative battery cable and you'll be good to go when you come back.

Last edited by Arcturus; 05-28-16 at 08:14 PM.
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