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Where is the rearview mirror heating button located on the new 3 Series?

1 Answers

DiRosalie

07/30/25 7:25am

The rearview mirror heating button on the new 3 Series is located on the control panel, featuring a design of a square frame with three upward-curving arrows inside. Pressing the button activates the rearview mirror heating function. Rearview mirror heating switch (knob type): On the driver's side door, there is a knob on the left front with several symbols: L, 0, R, and a heating symbol. The heating symbol, which is the rearview mirror heating switch, also features a square frame with three upward-curving arrows inside. Turning the knob to the heating symbol activates the rearview mirror heating function. Principle of rearview mirror heating: The mirror lenses on both sides are equipped with heating elements (heating films). During rainy or snowy weather, when the driver activates the rearview mirror heating function, the heating elements quickly warm up to a fixed temperature (usually between 35-60°C) within a few minutes, effectively defogging and defrosting the mirrors.

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