2003 Chevrolet Astro Owner's Manual - Page 88
2003 Chevrolet Astro Manual
Page 88 highlights
If the sliding door is open and you press the power door lock switch, the sliding door will not lock immediately. After you close the door,the system comes on and locks the sliding door in about five seconds. When the key is in the ignition and the power door lock switch is pressed with a door open, all doors are locked while the driver's side door remains unlocked. To enter the program mode youneed to do the following: 1. Begin with the ignition in OFF. Then, pull back on the turn signaVmultifunction lever all the way toward you and hold it while you perform the next step. Programmable Automatic Door Locks Your vehicle is equipped with an auto IocWunlock feature which enables you to program your power door locks. Your vehicleleft the factoryprogrammed to have all the doors lock automatically when shift lever is moved out the of PARK (P). All of the doorswill unlock when the shift lever is moved back into PARK The following (P). instructions detail how toprogram your door locks. 2. Turn your key to RUN and OFF twice. Then, with the key in OFF, release the turn signaVmultifunction lever. Once you do this, you will hear the lock switch lock and unlock. You are now ready to program the automatic door locks. Select one of the following four programming options and follow the instructions. You will have thirty seconds to begin programming. If you exceed the thirty second limit, the locks will automatically lock and unlock to indicate that you have left the program mode. If this occurs, repeat the procedure beginning with Step 1. You can exit the program mode any time by turning the ignition to RUN. The locks will automatically lock and unlock to indicate that you are leaving the program mode. If the IocWunlock switches are not pressed while in the programming mode, the auto IocWunlock setting will not be modified. 2-9