1997 Pontiac Trans Sport Owner's Manual - Page 122

If you have the optional power sliding door, disable the power sliding dooroverride feature. Press either power door switch. You should let adults and older children know how the security lock works, and how cancel the lock. If you to don't, adults or older children who ride in the rearwon't b'eable to open thesliding door fromthe inside when the security lock feature is in use. Canceling the Sliding Door Security Lock 1. Unlock the sliding door and open the door from the outside. If you want to open sliding door when the security the lock is on, unlock the sliding door and open the door from the outside. 2. Move the securitylock lever allthe way down. The sliding door lock now work normally. will 2-21