Pioneer AVIC-505 Owner's Manual page 142

The map continually reorients itself.
Probable cause:
Solution:
• Check the "MAP ORIENTATION" settings (page 107) and change the setting to "NORTH
UP".
Tracking marks are not displayed.
Probable cause:
Solution:
• Check the "TRACKING DISPLAY" settings (page 111) and make sure "ON
(PERMANENTLY)" or "ON (CURRENT JOURNEY)" is selected.
The daylight display is used even when the car lights are on.
Probable cause:
Solution:
• Check the "AUTO DAY/NIGHT BACKGROUND" setting (page 112) and make sure "ON"
is selected.
The system will not switch on/will not operate.
Probable cause:
Solution:
• Check with your dealer.