Fog lights or driving lamps? - Page 2 - Renault Forums :: Independent Renault forum

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post #6 of 40 (permalink) Old 1st December 2008
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Originally Posted by Modus-91 View Post
You cannot be precise but you don't need to be exact - the rule is there as a guide so that dazzling fog lights are only on when desperately needed.

For a rough guide, consider a gap of about 4 or 5 buses in front of you. If you can't see further than that then you're definitely safe to put the fogs on.
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post #7 of 40 (permalink) Old 1st December 2008
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I believe the law states that if they're less than 2ft off the ground, they're fog lights and must only be used in fog.

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post #8 of 40 (permalink) Old 2nd December 2008
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Hello, in the old days Fog lights were below the bumper and Driving lights were above the bumper, and came on with the Main Beam, regards Damian.
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post #9 of 40 (permalink) Old 2nd December 2008
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It used to be that Fog lights through a wide flat beam
and Driving lights a long thin long distance light.

Who would design a vehicle that falls over when you stop?

If you find a fix for your problem please let us know it will help others.
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post #10 of 40 (permalink) Old 2nd December 2008
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Repeating some of what has already been said and elaborating a bit...

If they're fog lamps, then it should be possible to switch them on with the dipped beam headlights, or possibly even just the side lights. If they're driving lamps, then they they should be wired in such a manner that it's impossible to turn them on unless the main beam headlights are activated. In some cases there will be a separate switch (so you can have the driving lamps off with the main beam on) but in most cases, they're hard-wired to come on with the main beam and you won't have a switch.

There are regulations regarding the placement of fog lamps, which state that they must be below a certain height and within a certain distance of the edge of the bumper. Driving lamps can be placed anywhere (including below the bumper) as long as they're forward facing. As I recall, the Fiesta XR2i had both fog and driving lamps below the bumper.

Fog lamps traditionally had a lens pattern with vertical bars to spread the light, versus relatively clear lenses on driving lamps which just allowed the reflector to project a distant beam. However, many modern factory fit fog lamps have clear lenses (the Laguna ones being a good example.)

The pictures look factory spec, so I'd say with confidence that they're fog lamps. On a typical modern Renault, they will be operated by the same switch as the rear fog lights (Newer models: click forward and release for front fog on/off and click back and release for rear fog on/off. Older models: turn one click gives front only and two clicks gives both.)
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