1997 Buick Century Owner's Manual - Page 175

AM-FM: Press this button to play the radio when a d.i,sc is in the player. SOURCE: Press this button to change to the disc function when the radio is on. When disc is inserted a the disc will play until you press AM-FM. Then the disc will stop playing and the radio will play. Press SOURCE again to play a disc again.CD PLAY will show on the display. 9 Theft-Deterrent Feature THEFTLOCK" is designed to discourage theft of your radio. It works by using a secret code to disable all radio functions whenever battery power is removed. If THEFTLOCK is active, the THEFTLOCK indicator will flash when the ignition is off. The THEFTLOCK feature for the radio may be used or ignored. If ignored, the system plays normally and the radio is not protected by the feature. If THEFTLOCK is activated, your radio will not operate if stolen. When THEFTLOCK is activated, the radio will display LOC to indicate a locked condition anytime battery power is removed. If your battery loses power for any reason, you must unlock the radio with the secret code before it will operate. EJECT Press this button to remove the disc. The radio will play. If you turn off the ignition or radio with a disc inthe player, it will stay in the player. When you turn on the ignition or system, thedisc will start playing where it stopped, if it was the last-selected audio source. Also, as a protection feature, if a CD is ejectedand left in the player, it will be pulled back in the player with the ignition on or off. If you leave a compact disc in the player while listening to the radio, it may become warm. Activating the Theft-Deterrent Feature The instructionswhich follow, explain how to enter your secret code to activate THEFTLOCK system. It is the recommended that you read through all nine steps before starting the procedure. 3-31