Car Parts Guide
FOG LIGHTS Vauxhall Viva · PARTS GUIDE

Vauxhall Viva Fog Lights: Specs, Fitment & Common Faults

On the Viva, the rear fog only works under specific conditions many owners don't realise — worth checking before assuming a genuine fault.

Illustration of a fog light unit Illustration for editorial purposes
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Vauxhall Viva Fog Lights: OEM Part Number

Accuracy note: we weren't able to verify a confident Vauxhall Viva fog lights part number at the time of writing. Please confirm the correct part via a Vauxhall dealer or parts specialist using your VIN.

Before Assuming a Fault: Check the Activation Conditions First

A genuinely common source of "my rear fog light doesn't work" confusion is worth ruling out first: on many Vauxhalls, the rear fog light will only illuminate when the engine is running, the headlights are switched to dipped beam (not just sidelights), and the fog switch is then pressed — simply having sidelights on and pressing the switch isn't enough, even though it might seem like it should be. If your rear fog genuinely isn't working, confirm you're testing it with all three conditions met before assuming a fault exists at all.

A genuine, documented fix worth trying if fog lights (or other electrical functions) are behaving oddly: cleaning the UEC (the under-bonnet fuse and relay centre) is a well-documented remedy across Vauxhall owner forums for a range of electrical gremlins, including fog lights not responding correctly — corrosion or a poor connection inside this unit can affect circuits that don't seem obviously related to it.

Vauxhall Viva Fog Lights: Rarely Used, Easy to Forget About Until Needed

Because the Vauxhall Viva's fog lights spend most of the year switched off, a developing fault is easy to miss entirely — right up until the one genuinely foggy commute where you actually need them and discover they don't work.

Before you buy: fog light fitment and bulb type vary by trim — not every trim level includes them as standard. Always confirm against your VIN before ordering.
Vauxhall Viva Fog Lights reference plate

Vauxhall Viva Fog Lights: What It Does

Front fog lights are angled and positioned to illuminate the road surface in low visibility conditions without creating the glare a standard headlight beam would in fog. Some higher trims of the Viva integrate fog lights into the same housing as cornering lights or daytime running lights, which affects both the part number and the complexity of any repair.

Fitment & Compatibility

Vauxhall Viva Fog Lights: Generations & Fog Light Type

Standard trimsHalogen fog light bulb as standard
Higher trims, later model yearsLED fog lights become available further up the range, genuinely a different assembly and connector from the halogen units on lower trims

Not every trim level of the Viva comes with fog lights fitted as standard, and the housing design often differs between trims that have them integrated with other lighting functions and those with a standalone unit. Always confirm your specific trim's fitment before ordering. Whether you're sourcing a replacement fog lights for your Vauxhall Viva from a dealer, specialist, or online marketplace, always check compatibility against your registration or VIN before buying, and confirm you're ordering the correct side — driver's side (RH in the UK) or passenger side (LH in the UK) — since these are not interchangeable.

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Vauxhall Viva Fog Lights: Common Faults, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Fog Lights Guide for common faults to check for (including exactly what fails an MOT), how easy this job is to DIY, and aftermarket advice.

More Vauxhall Fog Lights

The same part, covered across other Vauxhall models.