How to distinguish between the front windshield wiper symbol and the rear window symbol?

[BraxtonDella]

The semi-circular icon represents the front windshield, while the rectangular icon represents the rear windshield. Below is more related information: 1. Front wipers: Front wipers must effectively remove rain, snow, and dirt; operate in high temperatures (up to 80°C) and low temperatures (down to -30°C); resist corrosion from harmful substances like acids, alkalis, and salts; and have a service life of up to 150,000 wiping cycles (for passenger vehicles). Typically, the wiper control knob is located on the car's combination switch lever, featuring low speed, high speed, and intermittent settings. 2. Working principle: The motor on the electric wiper drives the output shaft via a worm gear on the armature shaft and then drives the output gear through an idler and idler shaft. The output arm connected to the wiper linkage is then operated by the output shaft. When the motor rotates, the output arm and linkage are driven to move back and forth. A resistor on the control switch is connected to the motor's armature winding to regulate the motor's speed, allowing the driver to adjust the switch as needed to direct current into the motor's input circuit.