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PeteB last won the day on November 27

PeteB had the most liked content!

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About PeteB

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    Hybrid & EV nerd (I mean evangelist)

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  • Toyota Model
    RAV4 Hybrid AWD Excel with JBL/PVM
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    General Automotive
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  1. I was lent a Lexus UX for a couple of days last week while my RAV4 was in for a recall. The UX has run-flat tyres, so no spare or repair kit (just as well given it's tiny boot). The ride and handling were fine, despite the wet weather. According to the manual, "The vehicle can be driven for a maximum of 160 km (100 miles) at a speed below 80 km/h (50 mph) after the tire pressure warning light comes on." This is better than the 50 mile limit on early run-flats, but personally I'd still want a spare wheel. I've only heard of one occasion of a run-flat being too damaged to continue driving, when the driver had to wait for a recovery vehicle to complete the journey. One of the 20 or so punctures I've had in the last 20 or so years required a 150 mile drive home on a wet Friday evening, so I wouldn't have been thrilled with a spacesaver, let alone a repair kit or run-flat. If something like this becomes available and has a few years of proven reliability, I might then be tempted to forego the spare wheel:
  2. I did take my car for a short run this afternoon, and I'm lucky; the sound has completely disappeared. So I'm not sure what's going on with the two owners with their persisting noises, but I hope you both get them satisfactorily sorted.
  3. I spoke too soon. My car was in for a couple of days at the end of last week for the Hybrid Brake Booster Pump Recall. Driving home on Friday, I heard a noise as I (or the car) applied the brakes. I would describe it like this: a fairly loud ‘squeak’ every time the brake pedal is pressed (also when the Cruise Control applies the brakes). Sometimes it’s very brief and not too loud (but loud enough to be annoying - like I'd stepped on a mouse), but mostly it seems quite long and loud (realistically probably about 1 sec), like I’m ringing the mouse’s neck! I emailed my Service Manager on Saturday morning to express my displeasure, but Monday morning I sent a follow-up to say that it eased a bit during the day on Saturday, and by the end of Sunday had almost gone away. He replied that if I bring the car in they will check it out anyway, even if it's stopped happening altogether. I haven't got back to him yet because I've not been out since as I've had a bug this week, and I'd like to drive it one more time before getting back. I will probably go out this afternoon as I'm starting to feel better, failing that tomorrow. I'll update here as and when.
  4. PeteB

    User Manual

    In that era you were lucky to get one sheet of foolscap (slight bigger then A4) of notes typed on a manual typewriter. In the 1960s my Mum worked in the Vickers factory in Weybridge, Surrey (which became British Aircraft Corporation, which became British Aerospace, now BAe) and used to type manuals and procedure documents for aircraft such as the VC10 on an electric typewriter. Her boss obviously had a sense of humour as when he learned we were going to Spain on a BAC 1-11 jet he got her to type some of the emergency drill procedures, telling her if there was emergency on our flight she'd be able to brief the pilot!
  5. PeteB

    Not as fast

    Maybe the gears are 'taller' to aid mpg and emissions in the new car, which may well also help make it more relaxed at a given speed, but possibly need a lower gear to get the same acceleration, on top of extra weight and possible tuning changes.
  6. PeteB

    EV hybrid

    and some of the time you may notice that although the engine is running, according to the displays, no charge is being sent to the HV battery. This will likely be to protect the battery from getting too hot, or to limit the amount of charge it gets over a given time. Very careful battery management is key to their long life. As well as heating the cabin, the engine may run to keep it's own temperature optimal, or even other reasons that aren't known about. After all my years of driving Hybrids, I'm still fascinated by the way during the warm-up period, even though the engine is running, the car is being driven almost entirely by the electric side, while the engine is run in a mode with it's timing heavily altered to produce lots of heat but little motive power. The only things that seem to interrupt this, is turning the car off or demanding rapid acceleration. (I can never remember if the timing is advanced or retarded, not that it matters).
  7. PeteB

    EV hybrid

    Now the colder weather is here, Hybrids later than the 2nd Generation Prius reduced the maximum speed at which EV mode can be selected via the switch. Gen 1 didn't have the switch, Gen 2 could use it (subject to sufficient charge) up to 30 mph. Gen 3 & 4 Prius and cars with the same Hybrid version would only allow selection up to 25 mph if the battery was too cold (or later, too hot), and maybe up to about 30 if condition were right. My RAV4 Hybrid will only allow use of EV mode up to 20 mph when cold, but over 30 if warm enough. Other things can prevent use of EV mode, such as use of the front screen demist button, heavy acceleration and low HV battery charge.
  8. I keep one of the tiny jump starters in the seat back pocket just in case. As Devon Aygo says, it's not possible to use the HV battery without doing something both extreme and very dangerous. In my both of Gen 1 Prius I had from 2002 to 2011, I kept an old fashioned large (and heavy) jump-starter in the boot (and needed it a few times). For one thing, the tiny ones weren't available in 2002 (AFAIK), and for another the boot could be opened with the key (no key-less entry or start in those days) or the physical lever next to the driver's seat. Later Hybrids, with their electrically operated boot opener, were a nightmare to get into the boot if the battery was flat, especially if the car had been deadlocked so that only the driver's door could be opened. That's why, on models with the 12V battery in the boot, there are terminals under the bonnet for jump-starting (except original Gen 1, as discussed above). The Toyota Hybrids don't have large capacity 12V batteries because they don't have to work a starter motor - the HV battery starts the engine, after the 12V battery has powered up the computers and relays that connect the HV battery to the system. This also saves space and weight.
  9. Same here. I first bought mine before I had a car with a built-in monitoring system, but since it gives better information I transferred it to my last car and current one. For the last couple of days I was lent a Lexus UX Hybrid while my car went on for a recall, and that could display individual tyre pressures on the dash. It was the F-Sport model (no faster, but harder seats and suspension), and it also had a rather odd feature - a button that made it make pretend engine noises through the HiFI system including what sounds like gear changes (even when running in EV made!).
  10. Sure - mine came from Some people I chat to on another group have recently bought what looks like the same system much more cheaply from Amazon or eBay - here's an example: The users who bought this (after seeing my link to Tyrepal) reported that so far it's worked really well. The supplier they used no longer has any left, and the price has risen slightly.
  11. My last Prius was my first car with the built-in TPWS, and the light came on when the weather turned below about 7°C. The pressure had dropped from 35 psi to 32 psi. I had my winter tyres put on by my dealer the next day, and I got them to inflate 2 psi above recommended pressure as it was a warmer day and temperatures were likely to fall further. According to my RAV4 manual, it primarily mentions the light coming on due to pressure falling in one or more tyres. However, in quite a long list of "Situations in which the tire pressure warning system may not operate properly" is this one: "If the tire inflation pressure is extremely higher than the specified level." Surprisingly, it also says "When tire inflation pressure declines rapidly for example when a tire has burst, the warning may not function". I have an aftermarket TPMS which comprises 5 radio transmitting dust caps and a receiver on the dash that displays the pressure in each tyre, and at the press of a button their temperatures (as transmitted down the brass core of the valve stem). This will raise an alarm if any tyre falls below or above a specified pressure, and also if the temperature exceeds a preset value. Since getting the device, I've had 2 slow punctures and both times my 3rd party system warned me sooner than the built-in TPWS.
  12. PeteB

    EPB Query

    My RAV4 is the first car I've owned with EPB, although I've driven a few cars with it for short periods. According to the manual, in an emergency you can lift and hold the switch and it will slow the car.
  13. I'm driving a 19 plate Lexus UX F-Sport FWD today and tomorrow while my dealer does a Brake Booster Pump Recall, and that's got it's fair share of pluses and minuses: mirrors don't auto fold - really??? nearly £40k car in 2019? - and you have to press the button to fold them before switching off all switches on armrest are illuminated it does have the kick sensor for opening the boot hands free (RAV4s in the USA get this) it has a button that makes engine noises inside the car via the audio speakers (I kid you not!) - also has flappy paddles and makes gear change noises when you use them in Sport mode, the Hybrid System Indicator that surrounds the digital speedometer turns into a rev counter (this can be turned on permanently in the menus if desired) both front seats are electric (so is the steering column reach and rake) but no memory for either - even the >£40k top model only has memory for the driver side no spare wheel or gunge - run-flat tyres instead the SatNav is a nightmare - like the latest RAV4, it doesn't have numerals and alpha on the same keyboard, but with a touchpad by the gear lever instead of a touch screen it takes 3 or 4 movements and a click every time you switch between the numeric kepyad and alpha one - yuk big time! it does display all four tyre pressures on the dash All-in-all, I'll be glad to get my RAV4 back tomorrow or Friday. Oh yes, and it doesn't have a speed limiter, although since like the latest RAV4 the Cruise Control can be set to 20 mph (or even 18) it's less of a disappointment - in my previous Gen 4 Prius where CC couldn't be set below 28 mph, the speed limiter was a godsend in 20 zones.
  14. A 2011 Yaris I used to own (and my ex still does!) could play DVDs on the screen while parked.
  15. Is there a relay somewhere that controls it?