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Macnorec

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  1. I have had my car since 1st September 2006. It had just over 7000 miles on the clock when I bought it. The fuel MPG indicator was showing about 34 MPG. Until about a 2 months ago it had only gone up to 34.8 MPG. Over the past two months I have limited my driving to keep the revs down to 2000 and the MPG has slowly risen and I am now at the dizzy heights of 36.3 MPG (Mileage is now 17600). I have to say that having to drive this way, to obtain a better fuel consumption, is not what I had expected from a supposidly PRESTIGE car. The other problem I have is the same as others in that the car cannot be put into 6th gear unless you exceed the speed limit without the car juddering and the mirror vibrating. I phoned the dealer last week about this probleand he has booked the car in. He advises me that there is a recent fix which has been put out by Lexus to improve the fuel economy. This is a change to the programming of the engine management computer which is purpotred to increase the fuel consumption. I would like to know if there is anyone else out there who has had this work carried out and if they have found an improvement. Also if it has had any effect on the 6th gear problem. I am a bit wary that it might just be a bit of computer "wizardry" that is being carried out. I will keep you notified on the outcome. Macnorec
  2. Can anyone provide me with wiring diagrams for the vehicle and the radio/amplifier unit or point me to a source for this info Macnorec
  3. I have recently purchased the IHF1000 kit for installation, but would like some advice on the locations of the control module, user interface module & microphone. Including any hints on cable routes would also be helpful. I would also like to know if the interface cable plug is compatible with the radio in the car and how to access the radio for fitting the plug. Thanks , Williaj
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