Acura 2007 RL Owner's Manual page 264

Compass System (U.S. model without navigation system)
Follow the instructions in the audio
system section to enter the 5-digit
audio code (see page 239 ). The
system voice will not operate if the
audio code is not entered
258
GPS initialization
Depending on the length of time the
battery was disconnected, your
system may require GPS
initialization. If it does, the above
screen appears. Follow the
instructions on the screen.
If this procedure is not necessary the
system proceeds directly to the
Compass screen (see page
During initialization, the system
searches for all available GPS
satellites, and obtains their orbital
information. During this procedure
the vehicle should be out in the open
with a clear view of the sky.
245 ).