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Lexus RX 350
#494 of 522 Lexus RX 350 Battery Drain Problems
Jun 16, 2012 (9:13 am)
My mother purchased a new 2011 Lexus RX 350 last spring. The dealer installed a remote starter at the time of purchase (we live in Alaska). My mom does not drive it very much (2 miles round trip normally) and often does not drive it for several days. The battery drains if the car is not driven for a week. Installed new heavier duty battery. Dealer says everything is within tolerences electrical usage, but noted the remote starter was drawing more that it should and "reinstalled". Dealer suggested and installed battery tender, and that works if we have some place to plug in. If we can't plug in (like at the airport) the battery is drained in 4 days!!!
The Lexus dealer has no clue as to how to deal with this and says nothing is out of the ordinary. However, we can't believe that having a dead battery if you don't drive the car for 4 days is what to expect from Lexus.
We are about ready to tell them to take the car back and we'll go to a different brand.
#495 of 522 Re: Lexus RX 350 Battery Drain Problems [ddieckgraeff]
by Stever@Edmunds HOST
Jun 16, 2012 (9:51 am)
We're seeing more and more of these complaints. Lots of gizmos draining power in newer cars. For example:
nobmw3, "BMW X3" #4176, 27 May 2012 2:04 pm
Seems like remote start systems are about as problematic as aftermarket alarms. I'd disconnect it and see it that helps. Plus when I lived up there, I found that the car warmed up faster if I just got it and drove it.
#496 of 522 Re: Lexus RX 350 Battery Drain Problems [steve_]
Jun 16, 2012 (11:41 am)
How difficult is it to disconnect the remote start? My mom is 76 and lives 120 miles away from me. Is it something I could walk her through?
BTY, my brother thinks that she should have gotten a BMW instead. Looks like they are having the same problem looking at the link you gave.
#497 of 522 Re: Lexus RX 350 Battery Drain Problems [ddieckgraeff]
by Stever@Edmunds HOST
Jun 16, 2012 (4:10 pm)
Beats me. Perhaps if she can get it back to the dealer, they'd give her some kind of credit or not charge her for disabling it.
I have a sinking feeling that the problem will still exist though since the car isn't driven much.
#498 of 522 Re: Lexus RX 350 Battery Drain Problems [steve_]
Jun 16, 2012 (4:52 pm)
Thanks for the advice. I'll have her consult the dealer the next time she is in town.
Looking the "Club Lexus" Q & A site, this is a problem with several Lexus models. The "smart key" also seems to be an issue at times.
We do have the battery tender installed, which works when she is home. Just trying to get it so she can leave it for a few days and not worry that it will be dead.
#499 of 522 Re: Lexus RX 350 Battery Drain Problems [ddieckgraeff]
by Stever@Edmunds HOST
Jun 16, 2012 (5:02 pm)
Maybe a solar trickle charger on the dash would do the trick, at least for the summer months up there.
#500 of 522 Very Remote Chance the starter is draining the Battery
Jun 18, 2012 (9:18 am)
The Smart Key function is easily disabled and you certainly should try it and see
if the short battery life symptom changes. Everything including the remote start
will continue to work but you will need to actually push the fob button to unlock
the car instead of just approaching with the key in your pocket. Once in you will
then need to hold the fob quite close to the Start/Stop button while pressing it.
You can then return the fob to your pocket.
The change is a menu item using the right steering wheel button on non-Nav
cars or the Settings Menu in the Nav cars. I am assuming that the Remote Start is
the factory module installed in the correct port and not an AfterMarket type. You
press the remote "lock" button three times and hold it til the lights flash, right?
#501 of 522 Two questions re servicing
Jun 18, 2012 (6:07 pm)
Has anyone got their RX350 serviced at a "Toyota" dealer instead of a "Lexus" dealer? Two reasons I am entertaining this thought: the Lexus dealer is 35 miles away; Toyota is right in town. Second reason: cost.
Second question: you know that antenna that is on top of the car, about 6 inches in front of the rear windshield, kinda shaped like the tail of an airplane?: if you take your car thru a car wash, will that antenna be able to handle it or do I only go thru touch less car washes?
Jun 19, 2012 (4:39 pm)
1. I go to a Toyota dealer for most all my Lexus RX service. Same parts and level of competency at about half the price. No free loaner, gourmet breakfast or quick-and-dirty car wash but I can live with that.
2. You should be OK with that antenna, mine has the fold-down style located at the right side near the luggage rack and was in fact damaged by an automatic car wash. I now take special care to unscrew and remove it before entering. I suspect the new design should be immune to such damage.
#503 of 522 Exploding rear windshield: Need help!
Jun 21, 2012 (6:55 pm)
A couple of months ago I came home to find my windshield of my 2007 rx350 was cracked right where the sensors are and the rear view mirror was hanging. The car was obviously not vandalized because the cracks could not be felt from outside or inside of the car. There were no other signs of damage other than the hanging rear view mirror inside of the car. The car was locked and parked as I left it. It happened to be an extremely sunny day and my conclusion was that the sun must have caused the sensors to overheat some how which caused the glass to crack from inside. Of course the dealership said the haven't heard of this. I was able to have someone glue the rear view mirror on and figured I would worry about replacing the windshield later. Well, today we experienced temperatures near 100 degrees. My car was parked in the usual place except this time the rear windshield was facing the direction of the sun. When I came home the entire rear winshield was shattered. Again, no signs of vandalism. Just shattered glass in the trunk no rock no nothing. Again I'm thinking the sun caused the sensors along the rear windshield to overheat causing it to implode. Can some help me? Did this happen to anyone else. Contacting dealer in the am.