Tyre guide Tyre know-how for every season.

Briefly explained: when to change, how much tread is enough and what matters when buying tyres.

Winter tyres from October to Easter – that's the German rule of thumb. What's behind it, what the law requires and when changing is least stressful.

1.6 millimetres is the legal minimum – but it's far from safe. How to measure it yourself and when new tyres are worth it.

No changing, no storage – sounds convenient. When all-season tyres are the right choice and when they're not.

Rolling resistance, wet grip, noise: what the letters and symbols on the tyre label mean – and what really matters.

Four digits on the sidewall reveal the production date. How to read them – and from what age you should take a closer look.

Lying flat, standing or hanging? Why light and heat are bad for tyres and what matters when storing them.