Fog lamps are designed for low-visibility conditions. They must only be used in fog or heavy rain to avoid dazzling others and ensure safe driving.

Fog lamps must not be used in built-up areas due to the risk of blinding or distracting other drivers in well-lit urban environments.

Tire treads must be at least 1.6 mm deep to maintain grip, especially in wet conditions. This is a legal safety requirement.

Studded tyres are optional. They offer better grip in icy conditions but are not legally required in Spain.

Snow tires are strongly recommended in winter for better traction but are not mandatory. Most drivers switch voluntarily.

Rain, snow, and sleet reduce tire grip. Slower speeds help maintain control and reduce stopping distances.

On wet roads, lowering speed by roughly 15 km/h helps offset the reduced grip and avoids skidding or hydroplaning.

Snow makes roads extremely slippery. Halving speed provides more time to react and minimizes skidding risk.

Snow tires and chains significantly improve grip and safety on snowy roads, reducing the chance of losing control.

Snow chains provide maximum traction in deep snow, making them the best tool when roads are heavily covered.

Aquaplaning occurs when tires lose contact with the road surface due to water buildup, causing the vehicle to skid.

Low sun can blind drivers, creating dangerous glare. Sunglasses reduce eye strain and help maintain visibility.

Road salt melts ice and snow, helping vehicles maintain traction and improving road safety in winter.