Buick 2007 Rendezvous - Manual (Page 252)

Setting the Time
Press and hold H until the correct hour appears on
the display. AM will appear for morning hours.
Press and hold M 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 H and M at the same
time until TIME 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
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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