What matters for a lightly worn set
Manufacture date
In the modern four-digit format, the first pair gives the week and the second the year of manufacture. For example, 3221 means week 32 of 2021, not the purchase date.
Visible condition
Record cracks, a bulge, a cut or tread damage already noticed. A photograph of the outer sidewall does not rule out a problem elsewhere on the tyre.
Known history
Say whether the set stood on the car for a long period, was stored separately or has an unknown history. Unknown storage is not evidence of correct storage.
What the date tells you—and what it cannot tell you
Look only at an accessible sidewall. If the date is not visible from outside or the full marking is unclear, state that in the enquiry. There is no reason to raise the car, crawl underneath or remove a wheel just to prepare the first message. An incomplete string of characters cannot reliably establish age, and a clean surface is not a manufacture date.
The date cannot tell you the mileage, impacts or storage conditions a tyre has experienced. Four digits are therefore not remote confirmation of suitability. Continental's material considers condition, pressure and wear alongside age. Give the workshop the combined information instead of asking only whether one DOT number permits another season. A useful assessment needs more context than a calendar calculation.
Why good grooves do not answer the entire condition question
A lightly used tyre can retain tread while its other characteristics and history remain unknown. Separate three questions: how much tread remains, whether the tyre is damaged and which age recommendation applies to that tyre. Answering the first question does not replace assessing the other two. This distinction is particularly useful when considering an older second-hand set or a spare that has rarely been used.
Do not turn an age recommendation into a guarantee that every tyre is safe until a particular birthday. This article also does not replace checking the requirements for the actual vehicle and its use. If a bulge, cut, rapid pressure loss or another dangerous symptom is already known, do not postpone attention because the tread looks deep or the tyre is below a chosen age.
Prepare a whole-set enquiry rather than one tyre photograph
For each accessible tyre, record size, date and its position on the car or identification within a stored set. If only one tyre has been checked, say so. Individual tyres can have different histories. Add whether these are summer, winter or all-season tyres and whether they are already mounted on wheels. These details help define the job before a price is discussed.
Agree whether you want an initial condition assessment, a seasonal wheel swap, tyre removal and fitting, or a replacement offer. Those are different scopes. A check cannot be booked as an automatic extension of tyre life or a promise of future mileage. If arriving in the car is unsafe, agree a suitable way to deliver the wheels or vehicle before setting out.
Separate replacement tyres from wheel-work charges
Choosing a replacement needs more than a request for the same brand. Correct dimensions and other vehicle-specified requirements need checking before ordering. Existing markings are a useful reference, not proof that an earlier set was selected correctly. Describe normal vehicle use as well, so the seasonal choice can be discussed in context rather than assuming one tyre suits every journey.
A comparable offer separates tyre cost, wheel work and any associated items. We do not invent a complete-set price without a specification. Ask what is included and what depends on the findings. A useful first message is: “Lightly used set, known date [marking], size [marking]; please assess its condition and any appropriate replacement.” This is a clearer brief than asking for a safety decision from tread depth alone.
Your checklist before contacting the workshop
- Size, accessible manufacture date and identification of individual wheels.
- Summer, winter or all-season specification and whether wheels are included.
- Known damage, pressure loss and the available use or storage history.
- The requested scope: assessment, fitting or a replacement offer, not automatic safety approval.
Use existing observations. Email only relevant records taken while safely parked; the form does not accept attachments.
Frequently asked questions
Is the DOT date the date I bought the tyres?
No. The tyre marking records manufacture, while the purchase record describes a different event. Both can be useful if available.
Is a tread photograph enough?
A photograph can support the first discussion but cannot replace assessing the whole tyre. Age, known damage, pressure and individual history matter as well.
Must all four always be replaced?
The appropriate replacement scope depends on condition and the particular vehicle requirements. This guide does not promise a universal one-tyre, pair or full-set solution.
Agree the next step
Arrange a tyre assessment or fitting enquiry with Autoservis 1, Unhošťská 92, Červený Újezd. Include the markings already available. We serve Unhošť, Hostivice, Kladno and Prague-West; the appropriate scope and appointment need confirmation first.
Discuss a tyre-condition checkSources and limits
Published 23 October 2026. Sources explain general principles, not a diagnosis of your vehicle. Follow the instructions for your particular car.