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Car Forum / Volvo Cars / April 2005V50/S40 Day running lights
It says in the UK manual that daytime running lights can be turned off by your Volvo dealer. Does anybody know how to do this or does it require special tools? TIA Your dealer must download software from Volvo to turn them off. Here in the US it cost me about $85. Don't know if it costs more if you want them turned back on. Bob W. > It says in the UK manual that daytime running lights can be turned off by > your Volvo dealer. Does anybody know how to do this or does it require > special tools? > > TIA Save yourself the money and leave them alone. You do NOT save anything by turning them off. They are dimmed/dipped lights so run at about a quarter of normal dipped power. Cheers, Peter. > Your dealer must download software from Volvo to turn them off. Here in > the [quoted text clipped - 7 lines] >> >> TIA My car has BiXenons so I was just thinking of the cost of bulb replacement. Does constant use reduce bulb life significantly? > Save yourself the money and leave them alone. You do NOT save anything by > turning them off. They are dimmed/dipped lights so run at about a quarter [quoted text clipped - 14 lines] >>> >>> TIA Aren't Bi-Xenon's suppose to pretty well last the life of the vehicle? I know their life is a lot longer then halogen bulbs... Which tend to last around 4 years or so in cars that run their lights at 100% intensity @ 20K Kms per year or so. I'd leave em on, Xenon's look cool for one, and it's safer when oncoming cars want to see you from a distance... Maybe you live where there is a lot of sun, but even so you car is way more visible from a long distance away with lights on. > My car has BiXenons so I was just thinking of the cost of bulb > replacement. Does constant use reduce bulb life significantly? [quoted text clipped - 17 lines] >>>> >>>> TIA I have found a more model specific forum at WWW.Swedespeed.com where there has been a long debate on this very subject. The main concern seems to be that when you turn the key, the Xenons light ,then go off while the strarter is running then back on again, thus on/off twice at every ignition. This can potentially put strain on the components in the car's electrical system, and Xenons can wear out more quickly if switched on and off. As Bob W says above, volvo can do it with software but they charge. > Aren't Bi-Xenon's suppose to pretty well last the life of the vehicle? > [quoted text clipped - 27 lines] >>>>> >>>>> TIA Even the Xenon types should have a series resistor to lower their power when used in daylight conditions. It works perfectly for other lighting systems. Being an Aicraft Electrician by trade I disregard any statements that say similar to " can potentially put strain on electrical components". They are far more robust than you could imagine. Cheers, Peter. > I have found a more model specific forum at WWW.Swedespeed.com where there > has been a long debate on this very subject. [quoted text clipped - 4 lines] > switched on and off. > As Bob W says above, volvo can do it with software but they charge. <snipped> Xenon lights don't even have a filament to burn out, do they? I thought they were a gas discharge light (similar to fluorescent and metal halide etc...) - Meaning they should be able to handle many cyclings on and off... at the expense of potentially the balast after years of use. Get technical if you'd like, I'm an Industrial Electrician (controls/mechatronics/robotics... apprentice right now, but 2 years into corporate training... so we cover tons of theory - we did gas discharge lighting theory last year, and I forgot most of it) > Even the Xenon types should have a series resistor to lower their power > when used in daylight conditions. It works perfectly for other lighting [quoted text clipped - 15 lines] > > <snipped> Yes, you are both right. Apparently, the US manual states that the lights should run on halogens during the day and switch to Xenons when the built in twilight sensor detects low light, but owners have confirmed this does not happen. It is not mentioned in my UK manual. However, the concern does seem to be around the ballast module which costs around $2000 dollars to replace allegedly!! As an engineer also, I agree with your sentiments - also you would think Volvo would have got it right by now, this is not new technology! It would be easier if this function was switched off to give the owner choice. If you want to use daylight running then you could leave the light switch on all the ime as the lights are still killed when the ignition key is removed > Xenon lights don't even have a filament to burn out, do they? I thought > they were a gas discharge light (similar to fluorescent and metal halide [quoted text clipped - 24 lines] >> >> <snipped> Isn't there a middle position on the light switch on UK models? That turns off the daytime running lights on the US model, and is a darn sight less trouble than taking it to the dealer for a software upgrade. > It says in the UK manual that daytime running lights can be turned off by > your Volvo dealer. Does anybody know how to do this or does it require > special tools? > > TIA Yes there is a middle position as you say, but as Volvo have not seen fit to put in a lights on warning buzzer, I am likely to leave them on an flatten the battery > Isn't there a middle position on the light switch on UK models? That turns > off the daytime running lights on the US model, and is a darn sight less [quoted text clipped - 4 lines] >> >> TIA > I am likely to leave them on an flatten the battery You can carry an air pump so you can inflate the battery after you flatten it ;) Actually the reason you don't hear a warning when you leave the "parking lights" on is because they are meant to be left on when a car is "parked" on the side of the road. Actually they are obsolete today because people use the 4-way flashers which also don't have a warning indicator.  SignaturePardon my spam deterrent; send email to rhodyman@earthlink.net Cheers, Steve Henning in Reading, PA USA http://home.earthlink.net/~rhodyman Yes, but my previous car (VW Passat) had parking lights and a buzzer. The buzzer only worked when the door was open so you could leave parking lights on without the buzzer going off all the time. >> I am likely to leave them on an flatten the battery > [quoted text clipped - 6 lines] > because people use the 4-way flashers which also don't have a warning > indicator. > Yes there is a middle position as you say, but as Volvo have not seen fit to > put in a lights on warning buzzer, I am likely to leave them on an flatten > the battery You should have no problems -- lights should be going off when you turn off the engine. Flipping the high-beam with the engine off will result in the high-beams being enabled for thirty seconds (enough time for you to get out, lock the car and walk to your front door and find the appropriate key but not enough to put the key in the door.....) At least, that's how it works with my 1994 850 (no walk-light) and my wife's 2002 S40 I have a an US model 03 XC70. I leave the lights "on" all of the time. That is the lights are on when the ignition is on and the lights are off when the ignition is off. The reason is that the need for daylight running to as bright or brighter in the day than at night. This is a SAFETY feature. Also I as far the lights are concerned I turn the key and go. In fact driving is simple seatbelt, key, drive, GO. Day or Night. I have seen my share of dim bulbs who cannot drive with their lights on at night, so Daylight Running Lights would be a rather obscure concept. Sometime ago the Canada Safety Council was not pleased when the concept of less brilliant lighting was invoked for Daylight Running lights by OEM's. It is just a guess but I cannot imagine it working differently on the V50/S40 but I am sure Ford has done stranger things before. Just trying to help. Cheers G > Isn't there a middle position on the light switch on UK models? That turns > off the daytime running lights on the US model, and is a darn sight less [quoted text clipped - 4 lines] >> >> TIA That's odd. My V40 manual says that daytime-running lights can be switched of using the rotary switch at power on combinded with the lights-handle. (I believe you turn the ratory switch to full on while pulling the handle towards you.) This combination is a togle switch. I played with it and now my lights remain off until I dail the rotary switch to either city-lights or full lights. hope this helps, Manu T > It says in the UK manual that daytime running lights can be turned off by > your Volvo dealer. Does anybody know how to do this or does it require > special tools? > > TIA Sounds interesting - I tried it with no success. I think the V50 is very different to the V40 > That's odd. My V40 manual says that daytime-running lights can be switched > of using the rotary switch at power on combinded with the lights-handle. [quoted text clipped - 15 lines] >> >> TIA |
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