How do you remove the wiper arm on a 1991 Chevrolet Corsica?

To remove the wiper arm on a 1991 Chevrolet Corsica, first lift the wiper arm away from the windshield to a vertical position. Then, locate the retaining nut at the base of the wiper arm and use a socket wrench to remove it. Once the nut is removed, gently wiggle the wiper arm back and forth while pulling it upward to detach it from the wiper motor shaft. Be careful not to damage the windshield during this process.