How to use the car's rearview mirror heating function:

Typically, the car's rearview mirror heating function is controlled by a specific button or switch on the driver's panel. Simply press this button or switch to activate the rearview mirror heating function. Generally, this button will have an icon resembling glass or wavy lines, indicating the heating function.

Once the rearview mirror heating function is activated, it will work for a period of time to help eliminate fog or frost on the mirrors. Usually, there is no need to manually turn off the rearview mirror heating function, as it will automatically shut off or stop working after a certain period. If you wish to turn off the rearview mirror heating function early, simply press the button or switch again.

It is important to note that the rearview mirror heating function typically consumes some electrical power, so it is advisable not to keep it on for extended periods. Generally, it will automatically turn off after being used for a certain period of time.