2008 Chevrolet Express Van Owner's Manual - Page 89

For the side sliding door, move the button up to engage the security feature. Move the button down to return the door locks to normal operation. Sliding Side Door Side Sliding Door Lockout Protection 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 either the driver's, passenger's, or rear door is open, all the doors will lock and then the driver's door will unlock. This feature does not include the side cargo door. To open the sliding side door from the outside, pull the handle toward the rear of the vehicle and slide the door open. To close the sliding side door from the outside, use the handle to slide the door toward the front of the vehicle. When the door is closed, it will be flush with the side of the body. 2-9