1. Disconnect the ground cable from battery.
2. Remove the center panel. 
3. Remove the audio or navigation unit, and center vent duct.
4. Disconnect the harness connector and remove the front antenna.
1. Disconnect the ground cable from battery.
2. Remove the rear seat cushion.
3. Remove the screw and bracket case.
4. Disconnect the harness connector and remove the center antenna together with the bracket.
NOTE:
Do not detach the antenna assembly from bracket except when replacing it. The loose fit between bracket and antenna assembly may occur causing abnormal noise during driving.
5. Remove the center antenna from the bracket.
1. Disconnect the ground cable from battery.
2. Open the trunk lid.
3. Disconnect the harness connector and remove the rear antenna.
