Safety and legal checks

Safety and legal checks

Tread, damage, seasonal and inspection topics where the safest next step matters.

Tire tread depth without a universal safety shortcut Source-reviewed tread-depth workflow for gauge measurements, wear bars, local limits, uneven wear and wet or winter use. Tire tread wear indicators and accurate tread checks Source-reviewed guide to locating TWI wear bars, measuring tread at multiple points, reading uneven wear and applying local replacement rules. Summer vs all-season vs winter tires What is the difference between summer, all-season and winter tires? Temperature thresholds, compound chemistry, legal requirements and when to swap. Winter driving tire tips How to prepare your tires for winter: winter vs all-season vs summer in cold weather, cold-pressure drop, stopping distance data, snow chain rules, and ice driving technique. Winter tire laws by country Country-by-country legal requirements for winter tires: which countries mandate winter tires by law, exact seasonal dates or conditions, minimum tread depth for winter use, qualifying tire markings (3PMSF vs M+S), and fines for non-compliance. MOT and roadworthiness tire requirements Tire requirements for MOT (UK), HU/TÜV (Germany), contrôle technique (France), ITV (Spain), revisione (Italy), APK (Netherlands), and EU roadworthiness inspections: tread depth limits, sidewall condition, mixing rules, speed/load rating, TPMS, and spare tire rules. Run-flat tire guide What are run-flat tires? How they work, when you can drive on a flat, speed/distance limits, repair rules, and whether to replace all four at once. Aquaplaning guide What is aquaplaning (hydroplaning)? Why it happens, speed and tread-depth thresholds, how to prevent it, and the correct response when your car starts to hydroplane. Tire hydroplaning speed: evidence and risk guide Source-reviewed guide to hydroplaning risk, wet-grip tests, tire pressure, tread condition, standing water and safe evidence limits. Tire sidewall damage guide Tire sidewall damage guide: how to triage bulges, cracks, cuts and scrapes, when to stop use, and why uncertain damage needs professional inspection. Tire puncture repair guide Can you repair a nail in a tire? Plug vs patch vs plug-patch, the repairable zone rule, what size object can be repaired, speed limits after repair, and when to replace instead. Tire delamination: belt separation, tread chunking, and when to scrap Tire delamination guide: the difference between tread separation, belt separation, and sidewall delamination, what causes each type (age, heat, impact, manufacturing defect, improper repair, overloading), how to inspect for early signs, and when a tire must be scrapped rather than repaired. Tire bead damage: causes, fitting damage, and why bead faults are unrepairable Tire bead damage guide: what the bead is and how it seals against the rim, causes of bead wire failure (kerb mounting, fitting machine misuse, corroded rim bead seat, running flat), how to identify bead damage, why bead damage cannot be repaired, and how to prevent fitting damage during tire changes. Tire blowout: causes, warning signs, and what to do when one happens Tire blowout guide: what causes a tire to blow out (under-inflation, overloading, heat buildup, belt failure, bead failure, impact damage), warning signs before a blowout, exactly how to handle a vehicle during a blowout at speed, and systematic prevention checklist. Tire overloading: what happens when you exceed the load rating, and how to avoid it Tire overloading guide: what the load index number means (load index 91 = 615 kg per tire, 4 × 615 = 2,460 kg total), how overloading causes heat buildup in the carcass (heat is the primary tire failure mechanism), at what point overloading becomes dangerous (sustained overload of 10%+ significantly reduces tire life and failure threshold), which situations most commonly lead to overloading (passenger cars with maximum occupancy and full boot, vans and MPVs, caravans and trailers, rooftop cargo), and what the law says about tire load ratings. Tire heat buildup: pressure, load and evidence guide Source-reviewed guide to tire heat, cold inflation pressure, load, speed, UTQG temperature grades, TPMS and inspection limits. Tire inspection checklist Monthly tire safety checklist for tread depth, pressure, sidewall damage, age, valves and uneven wear, with signs that need professional inspection. Are used tires safe? A buyer's guide Used tire safety guide: 9-point inspection checklist before buying second-hand tires, risks of hidden damage (internal cord damage, prior repairs, DOT age), when used tires are acceptable, what to avoid, and how to identify a safe vs unsafe used tire.

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Technical check: 2026-06-28
Content updated: 2026-06-28

What changed

Added pillar pages for the existing guide bundle taxonomy.