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How to enable Rear Fog Lights (both) and also Reversing Light (both) by using OBD11

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Hi guys,

 

As i bought this car (on my profile) couple of days ago.  now i need to enable both Rear Fog Lights and both Revering Lights. I remember doing these to my 63 plate and it was by the help of somebody from briskoda by using his genuine vcds tools. but now i have OBD11 and already did most of the adaptations by using the app. but i couldnt find any app for these two adaptation.

could somebody explain me how to do it by OBD11. It will be appreciated. thank you.

Edited by automass

Whilst UK road lighting regulations allow dual rear fog lights, EU regulations state that only 1 should be used, to avoid confusion with brake lights. So whilst not illegal, it's not to be recommended.

 

But here is the VCDS link to both rear fogs. Works the same on OBD-11:

No idea about both reversing lights, sorry.

 

Nick

Both reverse lights are activated from factory. 

5 hours ago, NikTheGeek said:

Whilst UK road lighting regulations allow dual rear fog lights, EU regulations state that only 1 should be used, to avoid confusion with brake lights. So whilst not illegal, it's not to be recommended.

Where do the EU regulations state that 2 rear fog lamps is illegal?

 

See Section 6.11 of Regulation No 48 of the Economic Commission for Europe of the United Nations (UNECE) Uniform provisions concerning the approval of vehicles with regard to the installation of lighting and light-signalling devices [2016/1723] :

 

Quote

6.11. Rear fog lamp (Regulation No 38)

6.11.1. Presence Devices of F or F1 or F2 categories: Mandatory.

6.11.2. Number One or two.

6.11.3. Arrangement No special requirement.

6.11.4. Position

6.11.4.1. In width: if there is only one rear fog-lamp, it shall be on the opposite side of the median longitudinal plane of the vehicle to the direction of traffic prescribed in the country of registration, the centre of reference may also be situated on the median longitudinal plane of the vehicle.

6.11.4.2. In height: not less than 250 mm nor more than 1 000 mm above the ground. For rear fog lamps grouped with any rear lamp or for category N3G (off-road) vehicles, the maximum height may be increased to 1 200 mm.

6.11.4.3. In length: at the rear of the vehicle.

 

  • Author
9 hours ago, SC03OTT said:

Both reverse lights are activated from factory. 

 

I couldnt check it yet..I'll try to see it tomorrow. but my previous octavia, i believe it was only one reverse light working.

1 hour ago, automass said:

 

I couldnt check it yet..I'll try to see it tomorrow. but my previous octavia, i believe it was only one reverse light working.

both on mine are active, replaced bulbs with LEDS

  • Author

Really...I will surely check it tomorrow. by the way, which LED did yo buy? last time i bought one was from one of the link from this forum..it was really very bright, but couldnt find that link anymore.

10 minutes ago, automass said:

Really...I will surely check it tomorrow. by the way, which LED did yo buy? last time i bought one was from one of the link from this forum..it was really very bright, but couldnt find that link anymore.

Ledperf i think, was a while back, would have to go through my mail brought them and  led rear indicators.

 

https://www.ledperf.co.uk/pack-leds-white-6000k-backup-lights-for-skoda-octavia-3-5e-p-5450.html

 

https://www.ledperf.co.uk/pack-rear-led-turn-signal-for-skoda-octavia-3-p-7536.html

Edited by seanbrady49

  • Author

Quite expensive stuffs. Would they fit to my skoda octavia hatchback 2016? I found the one i used to use. it was CREE Chip LED 360-Degree Shine Driving Lamp Bulb (MAXGTRS). have you used this one?

Edited by automass

20 minutes ago, automass said:

Quite expensive stuffs. Would they fit to my skoda octavia hatchback 2016? I found the one i used to use. it was CREE Chip LED 360-Degree Shine Driving Lamp Bulb (MAXGTRS). have you used this one?

Should fit you dont get canbus errors either which is a plus,

never used the one you have so could'nt tell ya, sorry 

23 hours ago, SC03OTT said:

Both reverse lights are activated from factory. 

I reversed towards a shop window yesterday and the beeeeep went off -to my alarm. It was a pedestrian, not imminent window impact, but I did see that both reversing lights were on and I tested the single fog light while I was there.

  • Author

yes guys, you were right. both of the reversing light work..they have been factory activated. So, i just need both rear fog light activation. if anybody can give me step by step guide for obd11 would be really appreciated. thank you in advance.

23 minutes ago, automass said:

yes guys, you were right. both of the reversing light work..they have been factory activated. So, i just need both rear fog light activation. if anybody can give me step by step guide for obd11 would be really appreciated. thank you in advance.

 

Just out of curiosity, why the need for both rear fog lights?

  • Author

for safety..i drive quite a lot and last month i was driving in Wales and it was dark fog..one fog light looks like it is a motor bike...So definitely i need both of them to be in safe side.

On 04/03/2019 at 16:33, PetrolDave said:

Where do the EU regulations state that 2 rear fog lamps is illegal?

 

See Section 6.11 of Regulation No 48 of the Economic Commission for Europe of the United Nations (UNECE) Uniform provisions concerning the approval of vehicles with regard to the installation of lighting and light-signalling devices [2016/1723] :

 

 

The regulation says that you can have one or two, but if only one fitted it needs to be on the outside or in the center.

On 04/03/2019 at 10:43, NikTheGeek said:

Whilst UK road lighting regulations allow dual rear fog lights, EU regulations state that only 1 should be used, to avoid confusion with brake lights. So whilst not illegal, it's not to be recommended.

 

 

9 minutes ago, stanian said:

The regulation says that you can have one or two, but if only one fitted it needs to be on the outside or in the centre.

Exactly, so two IS legal throughout the EU not just in the UK.

10 hours ago, automass said:

for safety..i drive quite a lot and last month i was driving in Wales and it was dark fog..one fog light looks like it is a motor bike...So definitely i need both of them to be in safe side.

 

If it's that foggy, what difference does it make if it's a motorbike or a car?

20 minutes ago, Scot5 said:

 

If it's that foggy, what difference does it make if it's a motorbike or a car?

Do you mean to say you don't simply crash into the back of motorbikes in fog? :o

  • Author
On 04/03/2019 at 23:08, seanbrady49 said:

 

You are asking strange question..Rear Fog light is not for you..its for the driver behind you..now think yourself what difference does it make if its a motorbike or car in front of you in foggy day or night.

1 hour ago, PetrolDave said:

 

Exactly, so two IS legal throughout the EU not just in the UK.

 

Yes, I admit I was wrong. I can't find the url I was reading, but it stated that that 1 rear fog was advised in the EU (rather than mandated) and the reason 1 was advised and not 2 was to ensure you could differentiate between fogs and brake lights in poor visibility. I'm not aware of any reasonably modern car that has 2 lit as standard. So if you came across 2 looming through the fog in front of you, you might assume the car in front was braking and slam on. Of course with just one lit, you might assume the motorbike in front is braking and also slam on :)

 

Nick

5 hours ago, NikTheGeek said:

the reason 1 was advised and not 2 was to ensure you could differentiate between fogs and brake lights in poor visibility

That argument has been used so many times and hasn't been valid for many years - why? Because over 30 years ago the centre brake light became mandatory. and there aren't many cars that old on the roads (and those that are will likely not be taken out when it's foggy as they are "classic cars").

 

3 bright lights = brake lights

2 very bright lights = rear fog lights

2 dim lights = rear side lights

 

Edited by PetrolDave

I found one of the links I was reading - the MOT test manual:

 

https://www.mot-testing.service.gov.uk/documents/manuals/class3457/Section-4-Lamps-reflectors-and-electrical-equipment.html#section_4.5

 

It doesn't specifically state that two rear fogs are illegal, but it does state that there should only be one and that it should be offside or centre. However, for reversing lights, it states there may be one or two, but both must work. So road lighting regs state that 2 fogs are legal, but the MOT test infers (by reference to the number of allowed reversing lights) that there should only be 1 rear fog.

 

Anyway, the point of this post wasn't to ressurect an argument or old thread, it was just a point of interest :)

 

Nick

Edited by NikTheGeek

34 minutes ago, NikTheGeek said:

I found one of the links I was reading - the MOT test manual:

 

https://www.mot-testing.service.gov.uk/documents/manuals/class3457/Section-4-Lamps-reflectors-and-electrical-equipment.html#section_4.5

 

It doesn't specifically state that two rear fogs are illegal, but it does state that there should only be one and that it should be offside or centre.

You're misreading that manual - what it actually says it that only the rear fog lamp at the centre or offside NEEDS TO BE INSPECTED, if a rear fog lamp is fitted at the nearside then it doesn't need to be inspected so it doesn't matter whether it works or not at the time of the MOT test.

 

What it DOESN'T say is that there should only be 1 rear fog lamp, what it DOES say is that only 1 rear fog lamp needs to be inspected as part of the MOT test.

Quote

You only need to inspect:

  • front fog lamps fitted to vehicles first used on or after 1 March 2018
  • the 1 rear fog lamp which must be fitted to the centre or offside of vehicles first used on or after 1 April 1980

 

Edited by PetrolDave

If fog lights were used correctly (front and rear) then you could have four or more of them for all I care.

 

In real thick fog, the more rear visibility the better, whether the fog lights obscure the brake lights doesn't matter, as you'll be a safe distance from the car in front and speeds will be very low, allowing you to react appropriately with or without brake lights.

 

Fog lights should be used when visibility reduces to below 100 metres (328 feet). This isn't very far at all.

 

The mere whiff of a little morning mist around here and everyone whacks their fog lights on, and then leave them on for the rest of the day.

 

I live in the vale of York, so fog is something I deal with all year round. I reckon I experience a sufficient reduction in visibility to justify the use of rear fog lights once or twice a year, tops.

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