1999 GMC Jimmy Owner's Manual - Page 74

yellowblue When doors are unlocked, press the button to open the glass. The endgate can be opened without a key if the driver's door is unlocked. The endgate glass will not release if the vehicle is in gear. To lock a power lock system from the outside, insert the key into the lock button and turn clockwise. All doors will lock. Liftgate Release To open a power lock system from the outside, insert the key into the lock button and turn counterclockwise. All doors will unlock. Reach inside the endgate to lift the handle and open the endgate. If your vehicle is equipped with remote keyless entry system, your vehicle does not have a lock on the liftgate. It is equipped with a pushbutton to release the liftglass. You may also use the keyless entry system, or the power door locks, if your vehicle is so equipped. 2-10