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Lexus RX 400h Navigation/Bluetooth Problems

56 messages,  Last post on Sep 23, 2009 at 3:33 AM

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What is this discussion about? Lexus RX 400h, Lexus, Navigation System, Hybrid Cars, SUV

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#46 of 56 Re: icons on the gps screen [ke2fe] by dadcat May 14, 2006 (10:24 am)
Replying to: ke2fe (May 13, 2006 2:20 pm) Try activating the voice recognition button and saying "POI off" to deactivate the POI icons on the screen.
#47 of 56 Navigation by nigh May 18, 2006 (11:42 am)
I cannot put the entire phone number into the space for directions using the phone number..Any comments...
#48 of 56 Nav override/hack for the 07 by gtoph Feb 06, 2007 (8:30 am)
Just to give this a long needed bump.... has anyone figured out a new override sequence for the 2007 (version 6.1) nav system yet?
#49 of 56 new lockpick by gtoph Feb 23, 2007 (1:14 pm)
Not that I've done or will do it. But looks like there is a new lockpick version for the 2007 prius. I think that one is the 6.1 version so maybe it'll work in other models as well.   I was messing around in the diagnostic screen the other day and from what I remember the version reported actually said Denso 6.05.xxxx something or other.
#50 of 56 anyone able to override navi? by dorenescar Jan 19, 2008 (7:53 pm)
I don't know if this forum is still active, and also posted in 'modifications'. Looking for info. on how to override the program shutdown when driving. HH had some posts about this; has anyone been able to do this with 400h? Thanks!
#51 of 56 Sirius by tonyd9 Jan 31, 2008 (6:32 am)
Does the Sirius radio install by the dealer work thru the nav system screen or do you have to leave the radio tuner on a FM station
#52 of 56 GPS Software Update Offer by brent99 Mar 03, 2008 (3:09 pm)
I got an "offer" last week to upgrade my Nav software for $350. What an insulting JOKE!!! Most nav systems off the shelf don't even cost that much. My nav system isn't even 2 years old yet -- they should be providing that for free anyway, let alone gouging their customers for the update.    Consider me one pissed off customer.G
#53 of 56 Bluetooth intermittantly disconnects by vdoc Oct 03, 2008 (6:27 am)
I recently purchased a Samsung SCH i760 Phone/PDA that is running Windows Mobile from Verizon Wireless. Every so ooften while I'm driving the handsfree bluetooth connection spontaneousy disconnects and when I attempt to dial out from the Navi touchpad, it tells me to check mobile phone. If I stop the car and restart, the Bluetooth reconnects only to drop again at some point. the problem is very much intermittant. Sometimes there will be days when it doesn't happen, other times it will happen several times a day. Verizon has be do a soft reset a few times which did nothing and a hard reset twice. After the first hard reset it lasted about 3 days before it happenied again. I finally took the phone back to Verizon and they gave me a new one. Withiin 2 days it started happening again. Prior to acquiriing the Samsung, I had both a Motorola L6 and a Razr. Although I expereinced some problems with these, this was not one of them. Having replaced the phone once already, Verizon is fairly sure it's not the handset. they think it might be the Lexus software or a problem with Windows Mobile. Has anyone else expereinced this pehnomen? Replies to this message: kyxydj (Oct 15, 2008 7:53 am) vdoc (Nov 19, 2008 7:45 pm)
#54 of 56 Re: Bluetooth intermittantly disconnects [vdoc] by kyxydj Oct 15, 2008 (7:53 am)
Replying to: vdoc (Oct 03, 2008 6:27 am) Unfortunately, from my experiences, it seems it is the Samsung phone that causes these problems. I've had 2 Samsungs, the T-809 and the U-600, and both do not reliably pair with my RX400h. We have a Bluetooth Valet who works for our Lexus dealer, and he verifies this - he says Samsung Bluetooth technology is not as good as Motorola, or Sony Ericcson. I finally got a SE W580i which works perfectly with the vehicle. I also got an Apple iPhone 3G at work, and it also pairs consistently with the RX400h. However, many Bluetooth features like sending your phone contacts to the car, do not seem to be supported by the iPhone. But at least the iPhone pairs up every time, which is more than I can say for my Samsungs. Replies to this message: vdoc (Nov 19, 2008 7:45 pm)
#55 of 56 Re: Bluetooth intermittantly disconnects [kyxydj] by vdoc Nov 19, 2008 (7:45 pm)
Replying to: kyxydj (Oct 15, 2008 7:53 am) well gang, here's a follow-up and it ain't pretty. After contacting the Lexus customer relations office in CA about the problem, I met with the regional electronics specialists at my dealer's. They were able to reproduce the problem in my car and with another car of the same vintage. The week before that I had had my car in for service and was driving a new RX as a loaner and never had a problem. Turns out that the Bluetooth/Navi in my 2006 400h is generation 4 and the newer cars have generation 5. Lexus admits that the compatibility issue appears to be a problem with generation 4 navi and my Samsung phone but had no comment when I pointed out to them that the Lexus Bluetooth website listed my Samsung phone as being compatible with my year and model (and still does, by the way..). Although the obvious remedy would be for Lexus to upgrade my car to gen 5 they have refused citing that "it can't be done". Instead, they have offered me money to purchase a new phone however it would be up to me to establish compatibility which suggests that Lexus doesn't trust the Bluetooth information on their own website. A sad state of affairs.

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