Press the HOME button located to the LEFT of the menu knob. Touch SETTINGS. Touch TIME and DATE. Touch SET TIME.

Press the H or HR button until the correct hour appears on the display. Press and hold the M or MIN button until the correct minute appears on the display. The time may be set with the ignition on or off.

Setting the Clock in All Other 2004 GMC Vehicles

1. Push and hold the “HR” or “H” button, depending on which radio your GMC has. As you hold the button, the hour changes.
2. Release the “HR” or “H” button when the hour shows the correct time. Push and hold “MN” or “M” to set the minute.

The clock on the 2000 GMC truck is easy enough to set. Find the clock on the dash and look for the two buttons that are sticking. One of these is for the minutes and the other is for the hours. You can press it to have the numbers change on the clock.

Turn the key to the ON position. DO NOT start the ignition.

1. Turn the key to the ON position. DO NOT start the ignition.
2. Press the SET button located to the right, under the display.
3. You can then use the SCAN/SEEK buttons to adjust the time. The left button is for the HOUR, and the right button is for the MINUTES.

How to Set a Clock on an AM/FM Radio in a 2005 Colorado

1. Turn the ignition key to the “ON” position but do not start the truck.
2. Press the “Set” button, and then the “Channel Up” (TUNE +) button.
3. Wait until “SET” appears in the radio’s LED display window.
4. Use the “SEEK” button to adjust the hour.

Press in the POWER button. Press the MENU button. Press the 3rd button under the CLOCK icon (clock will be highlighted on the screen). Then press the Hour, Minutes, Day and Year buttons to set each.

Press and hold the HR button until the correct hour appears. Press and hold MIN until the correct minute appears. Press RCL, HR or MIN.

Press & hold the HR or MN buttons, located below the tune **** for two seconds. Then press and hold HR until the correct hour appears on the display.