Honda 1997 Prelude Owner's Manual page 53

Keys and Locks
MASTER KEY
To protect items in the trunk when
you need to give the key to someone
else, lock the trunk release handle
with the master key and give the
other person the valet key.
Instruments and Controls
Glove Box
Open the glove box by pulling the
bottom of the handle. Close it with a
firm push. Lock or unlock the glove
box with the master key.
An open glove box can cause
serious injury to your passenger
in a crash, even if the
passenger is wearing the seat
belt.
Always keep the glove box
closed while driving.