1997 Oldsmobile Bravada Owner's Manual - Page 63
1997 Oldsmobile Bravada Manual
Page 63 highlights
Liftgate Release There are several ways to release the liftgate. However, the liftgate will not release if the vehicle is in gear. You can use you key to unlock the liftgate from the outside. Insert the key into the liftgate lock button and turn it counterclockwise. All doors will unlock. You may also use the Keyless Entry system described earlier. The liftgate can be opened without a key if the driver's door is unlocked. To open the liftgate glass only, unlock the liftgate and press the button. To open the entire liftgate, unlock the liftgate and lift the handle located in the center of the door. The liftgate and glass will automatically lock when shut. To lock the power lock system from the outside, insert the key in the lock button and turn it clockwise. All doors will lock. 2-9