Sony NV-U84 - Manual (Page 12)

SONY NV-U94T/U84 (US,FR,ES) 4-107-848-11 (1)
12
US
Installation / Connection
Installing the TMC antenna (NV-U94T only)
1
Plug the cord to the cradle.
2
Attach the suction cups to the inside of the car’s windshield.
To expel air inside the suction cups, press the center  and periphery 
firmly.