Pontiac 2005 Grand Prix - Manual (Page 199)

Setting the Time
The radio may have a button marked with an H or HR
to represent hours and an M or MIN to represent
minutes.
Press and hold the hour button until the correct hour
appears on the display. AM will appear for morning
hours. Press and hold the minute button until the correct
minute appears on the display. The time can be set
with the ignition on or off.
To synchronize the time with an FM station broadcasting
Radio Data System (RDS) information, press and
hold the hour and minute buttons at the same time until
UPDATED appears on the display. If the time is not
available from the station, NO UPDATE will appear on
the display.
RDS time is broadcast once a minute. After tuning to an
RDS broadcast station, it may take a few minutes for
the time to update.
Radio with CD (Base Level)
If your vehicle has the Monsoon audio system, included
are eight speakers and an eight channel amplifier.
MONSOON will appear on the display when the ignition
or the radio is turned on. See your dealer for details.
Radio Data System (RDS)
The audio system has a Radio Data System (RDS).
RDS features are available for use only on FM stations
that broadcast RDS information.
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