2008 Mazda RX-8 Owner's Manual - Page 430

Before Use Symptom Check point Getting started 56 Routing Address Book Voice Recognition No GPS symbols are displayed lGPS signals may not be received because of obstructions. After moving the vehicle away from obstructions, the GPS signals can be received. The vehicle position is not displayed lCheck if the mode is set to the current position screen. Press POS If necessary No voice guidance lCheck if the volume control for the voice guidance has been turned off. lCheck if the vehicle is off the route. Repeat the route search while checking the route guide screen. lCheck if you are driving the vehicle in the wrong direction on the route. Repeat the route search checking the direction of the destination. Buttons on the remote control do not beep lCheck if [Beep] is set to [Off] ( page 20).