Honda RDX Owner's Manual page 373

On RDX models
If your vehicle's battery is
disconnected, or goes dead, the time
setting will be reset to 1:00. To set
the time again, follow the setting
procedure (see page 188 ).
If your vehicle's battery is
disconnected or goes dead, the audio
system will disable itself. The next
time you turn on the radio you will
see '' '' in the frequency
display. Use the preset bars or preset
buttons (depending on models) to
enter the five-digit code (see page
232 ).
On RDX with Technology Package
model
The navigation system will also
disable itself. The next time you turn
on the ignition switch, the system
will require you to enter a PIN
before it can be used. Refer to the
navigation system manual.
Checking the Battery
367