2000 GMC Yukon Owner's Manual - Page 83

The following is a list of the available programming options: Lockout Prevention This feature protects you from locking your key in the vehicle when the key is in the ignition and a door is open. If the power lock switch is pressed when a door is open and the key is in the ignition, all of the doors will lock and then the driver's door will unlock. D All doors lock/Only the driver's door unlocks: Press the lock side of the power lock switch on the door panel once and then the unlock side once. D All doors lock/All doors unlock: Press the lock side of the power lock switch on the door panel once, and then the unlock side twice (this is the factory setting). lock side of the power lock switch on the door panel once, and then the unlock side three times. lock side of the power lock switch on the door panel twice. This turns off the automatic lock feature. D All doors lock/None of the doors unlock: Press the D No doors lock/None of the doors unlock: Press the For more information, see your dealer. Child Security Locks (If Equipped) With this feature, you can lock the rear side doors so they cannot be opened from the inside by passengers. Move the button forward to engage the security feature. Move the button rearward to return the door locks to normal operation. 2-6