Acura 2001 CL Owner's Manual page 241

Battery
If your car'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 buttons to enter the five-digit
code (see page 157 ).
238
Maintenance
Charging the battery with the cables
connected can seriously damage your
''
car's electronic controls. Detach the
battery cables bef ore connecting the
battery to a charger.
If your car's battery is disconnected
or goes dead, all stored driving
positions will be lost. To store the
driving positions again, see the
storing procedure on page
3.2 CL with Navigation System
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 Owner's Manual.
103 .