TUNE - SEEK

The TUNE/SEEK hard key has two positions. Press the button to the first position to tune the radio to the next higher or lower frequency. If the button is held down for more than two seconds, the radio operates in tune fast mode. Release the button to stay at a radio station. Press the button to the second position and release to seek the next higher or lower radio station

For a description of the RPO Code(s) shown in this image/article refer to the RPO Code List found at Vehicle/Application ID RPO Codes