GMC 2008 Canyon - Manual (Page 179)

Notice: The chime signals related to safety belts,
parking brake, and other functions of your vehicle
operate through the radio/entertainment system.
If that equipment is replaced or additional equipment
is added to your vehicle, the chimes may not
work. Make sure that replacement or additional
equipment is compatible with your vehicle before
installing it. See Accessories and Modifications
on page 5-3.
Setting the Time
Radios without Radio Data
Systems (RDS)
Press and hold HR (hour) until the correct hour displays.
Press and hold MIN (minute) until the correct minute
displays. There is an initial two-second delay before the
clock goes into time-set mode. Display the time with
the ignition off, by pressing RCL (recall), HR, or MIN.
Radios with Radio Data Systems (RDS)
The radio could have a button marked with an H or
HR to represent hours and an M or MN to represent
minutes.
Press and hold the hour button until the correct
hour displays. Press and hold the minute button until
the correct minute displays. 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 RDS
TIME displays. To accept this time, press and hold the
hour and minute buttons, at the same time, for another
two seconds. If the time is not available from the station,
NO UPDAT (update) displays.
RDS time is broadcast once a minute. After tuning to
an RDS broadcast station, it could take a few minutes
for the time to update.
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