How do you fix new aerial to peugeot 205?

To fix a new aerial to a Peugeot 205, first, remove the old aerial by unscrewing it from the base and disconnecting any wiring. Then, insert the new aerial into the mounting hole and secure it in place with the provided nut or screw, ensuring a tight fit to prevent water ingress. Reconnect any wiring if applicable and test the aerial by tuning in to a radio station to ensure proper reception. Finally, check for any leaks around the base to ensure it's properly sealed.