Disconnect the negative battery cable. Remove the panel sound absorber pad and unplug the antenna connections. Tape the rear edge of the fender and door, then remove fender screws. Elevate and secure the vehicle, remove the front wheel, rocker panel screws, splash shield, and upper antenna nut using the right tool. Remove the antenna. To install, position the antenna, loosely set gasket and nut. Tighten using appropriate tools. Reassemble in reverse order, applying silicone grease to connectors. Ensure antenna mast works. Reset radio and clock as needed. From the trunk, remove trim panel, antenna bracket screws, upper antenna nut, and lead-in cable. Reinstall, connect the lead-in, secure with screws, and apply silicone grease. Confirm antenna function and reset devices.