Right now, depends on whether you use MPH or Km/H, only one unit shows up in your speedometer. However, most cars have one predominate unit on the outside then an auxiliary unit on the inside, like this;
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So, depending on whether you choose MPH or Km/H as your main unit, it should be set up like this (MPH outside, Km/H inside or vice versa)
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So, depending on whether you choose MPH or Km/H as your main unit, it should be set up like this (MPH outside, Km/H inside or vice versa)