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24 posts in this topic
Just did pre-service (at Halfords) of the pre-MOT pre-service. Few advisory items come up - rear brakes pads 8mm, one parking light bulb and failed 12v battery. No surprises there, knew that battery is not in best condition already - just nice to find out why.
So the report says that battery failed, performance 0%, the cells shot and short, voltage - 10.29v. Funny enough as car is garaged both at home and where I work I have no issues with battery. Furthermore, it is Halfords own battery (some kind of Platinum with 4 years warranty) and Halfords doesn't want to fulfill their obligation to replace it under warranty. To be fair I don't have a receipt, but the battery is made only 2,5 years ago and fitted just over 2 years ago, quite obviously within the warranty. That said I decided not to replace it until it completely fails.
However, already doing some research for the day of failure. My personal opinion is that battery is bit under powered for car with so much gadgets and especially mine being SEL just drains even more power, obviously living in UK have its own benefits e.g. no cold winters, so even cheap batteries last (or at least should).
Based on all the information I though that I might go for Exide or Bosch. Cannot say much bad about Halfords, especially considering that it doesn't develop much issues even in such condition, but it is principal for me now not to get one from them, because I feel like their warranty is rather unfair .. Any other opinions or suggestions? Thanks in advance,
Just wanted to post a quick review regarding Hybrid battery conditioning. I think it was off this site I learned of Hybrid Battery Solutions based in Northampton who I contacted after getting a diagnostic from Lexus.
The car lost it's initial surge of power from the battery and would always move off using petrol engine only. Battery indicator would drop to purple very quickly. MPG dropped from about 29/30 to 23-25mpg. I had a CHECK HYBRID SYSTEM message, but it was solid - not flashing check VSC etc as others have described. Lexus ran two separate diagnostics and said it was a smart battery ECU which needed replacing at a cost of £1250 + vat. They gave me a print out of the error code and when researching online it was more common that it was 'Battery pack seriously deteriorated'. I couldn't find much literature regarding the smart battery ECU other than a workbook note suggesting that this is replaced first then if this doesn't work, the battery pack should be replaced. Not knocking Lexus at all but I wasn't overly convinced or filled with confidence. My car is probably only worth £3000-4000 (ambitious?!) and has 150k miles so didn't want to pay for this smart battery unit and then a battery if it didn't work!
Using my logic I thought it was more likely than not to be the battery - after all, all batteries do degrade and this seemed to be much much more common when looking online. I contacted Richard at Hybrid Battery Solutions in Northampton who gave some advice and we had a chat about hybrids generally - in fact, we didn't even discuss him 'selling' me his service until I asked (always a good sign I think!).
Anyway, cutting to the chase I drove from Teesside to Northampton and averaged 26.2mpg. Left it with Richard for the week and I was astonished when I got it back. It felt like it had been remapped - it was better than before (probably cause I never had from brand new myself).
On the same journey back (about 190 miles) I averaged 38mpg. Even after almost a week of short journeys, spirited driving (and traffic light drag racing again ) I am still on 33.4.
I am almost gutted that I didn't go for the grid charger (which I think uses some kind of witchcraft to keep the battery cells in their best possible condition) but I might well need a bigger boot to fit a pushchair later on in the year so the car might go although with hindsight, this would have been a good selling point when selling the car. He can do this separate from conditioning I believe or both at same time.
It has given me confidence to go and buy another higher mileage hybrid. There is a solution which is significantly cheaper than Lexus and urge others who were in my situation to have a look at this.
Hopefully this isn't breaking any forum rules - it's just my experience of this company and that others find it informative.
Hi All, Just joined this forum as now the owner of a used 54 reg RX300.
The dealer changed the battery just before I bought it and only the drivers window works from the console on the drivers door. The switches on the other doors work fine. I've read in the manual and on here about the procedure to reset this but on my car that's not working. I've tried most of the suggestions I've read except for keeping the buttons pressed for over 20 seconds.
The green LED's are showing on all the switches and they go off when I press the windows disable button on the driver door master console. The function to open/close the windows with the key in the drivers door only works on that door.
Is this something simple or am I into replacing ECU's and tracing wiring faults with this. The dealer did get a 2nd hand master switch assembly but that made no difference.
How do they work? Is it messages via the CAN bus or are there individual wires back to the drivers master switches.
Its not a deal breaker, the car is great otherwise, it would be good if this worked too.
Thanks in advance for any wisdom on the matter.
I've just got a 'Low Key Battery' message on my dash cluster this morning. No biggie. The spare is till working. I've seen a lot of videos that demo how to change the battery but. Apparently I take out the physical backup key and use that to split open the fob. But ... no matter how much I twist and turn that key I cannot split open the fob. I'm worried about snapping off any part of the casing.
Has anyone here tried this method? Does it require a fair bit of force?
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