Does anyone know of a source for a new colored temperature knob/wheel marker/decal/stick-on, you know the one, that you rotate to set the temperature level? I'd like to replace mine (1985 380SE) but can't find a source. Someone once posted that the dealer can get them, but there is no dealer where I live. Does anyone sell the whole knob/wheel itself?

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1986 560SL
2002 Toyota Camry
1993 Lexus