Strange that people can spend their working lives fitting tyres and never wonder what the dot on the sidewall is there for.
sawthingsclearer
Strange that people can spend their working lives fitting tyres and never wonder what the dot on the sidewall is there for.
sawthingsclearer 
I have to admit, I have just Google “what is the dot on the sidewall of a ture for?” Who knew? Clearly not your tyre fitter.
Rest assured, German tyre fitters always know exactly what they’re doing.