Skip advert
Advertisement

Warning triangles

Carrying a hazard alert sign or lamp is vital in case your car breaks down. We test seven options

Travel abroad and the chances are local laws will require you to carry a warning triangle in your car's boot. In fact in some countries such as Spain, you need two - and a fluorescent jacket!

For driving in the UK, carrying a hazard warning sign is not compulsory but is a sensible idea, given the dangers of being stranded on the roadside or motorway hard shoulder, where staying safe depends on yourvehicle being clearly visible to other motorists. Fitting a triangle in a car's boot is usually easy - many models have room for them in the spare wheel well or behind side panels.

There are many versions on offer, available from supermarkets, DIY stores and traditional accessory shops, as well as hazard lamps which can be used instead of a triangle. But which should you go for? We tested seven best-sellers to find out.

Verdict

The brightest performer was the pricey Highway Safety Light, but it failed to win this test because of its poor build quality. The triangles were well matched, with the Speeding GH-074 just pipping the Metro to take our Best Buy award, thanks to good reflective perform- ance and superior design.

Skip advert
Advertisement

New & used car deals

Skoda Kodiaq

Skoda Kodiaq

RRP £39,045Avg. savings £4,356 off RRP*Used from £10,850
Nissan Qashqai

Nissan Qashqai

RRP £27,435Avg. savings £5,987 off RRP*Used from £9,990
Dacia Spring

Dacia Spring

RRP £14,995Avg. savings £4,062 off RRP*Used from £10,000
Volkswagen Polo

Volkswagen Polo

RRP £15,270Avg. savings £1,925 off RRP*Used from £8,745
* Average savings are calculated daily based on the best dealer prices on Auto Express vs manufacturer RRP
Skip advert
Advertisement

Most Popular

Citroen 2CV to return: a £13k EV city car honouring the iconic original
Citroen 2CV teaser

Citroen 2CV to return: a £13k EV city car honouring the iconic original

Citroen has finally confirmed the long-rumoured revival of its famous 2CV and our exclusive images show what it could look like
News
23 May 2026
New Kia EV1 to arrive in 2028, and Hyundai Ioniq 1 won’t be far behind
Kia EV1 - front (watermarked)

New Kia EV1 to arrive in 2028, and Hyundai Ioniq 1 won’t be far behind

The Renault Twingo rival will use a bespoke EV architecture that’s being jointly developed by Kia and Hyundai
News
20 May 2026
Car Deal of the Day: Renault 5 has retro style for under £200 a month
Renault 5 - front full width

Car Deal of the Day: Renault 5 has retro style for under £200 a month

Prices have dropped for the best-selling Renault 5, and it’s our Deal of the Day for 20 May.
News
20 May 2026