You’re cruising along a motorway, the traffic suddenly slows to a crawl, and your instinct kicks in: flick on the hazard lights to warn the car behind. Hazard lights, says the DGT, are strictly reserved for real emergencies, not routine traffic jams. When hazard lights are allowedSo does that mean you can never touch that red triangle button again? Hazard lights for jams might feel instinctive if you’ve driven elsewhere in Europe, but here in Spain, it’s a costly error. Because as every driver in Spain is learning the hard way – when it comes to road safety, the DGT means business.