Toyota SUPRA Manual page 8

Side doors
LOCKING WITH KEY
Turn the key toward the front of the
vehicle to lock and towards the back to
unlock.
Both doors lock and unlock simultaneously
with either door. In the driver's door lock,
turning the key once will unlock the driv-
er's door and twice in succession will un-
lock both doors simultaneously.
8
LOCKING WITH INSIDE LOCK KNOB
Turn the lock knob forward to lock and
backward to unlock the door.
Closing the door with the lock knob in the
lock position will also lock the door. Be
careful not to lock your keys in the ve-
hicle.The door cannot be locked if you
leave the key in the ignition switch.
SUPRA (U)
LOCKING WITH POWER DOOR LOCK
SWITCH
To lock both of the doors simultaneous-
ly, push the power door lock switch on
the LOCK side. Pushing on the UN-
LOCK side will unlock them.