Acura 2011 RL Owner's Manual page 292

Compass System (U.S. model without navigation system)
The Compass Screen
You can see the current latitude,
longitude, and elevation at any time
when you press the COMPASS
button or say ''Display map guide.''
The date and time is also displayed.
If the battery is disconnected
NOTE:
or the fuse for the compass system
is removed, the system may require
GPS initialization (see page
286
If the system does not receive the
elevation information, the display
shows only current latitude and
longitude.
299 ).
If the GPS reception is low, the
display shows a ''Low GPS
reception'' message.