Cadillac 1967 VVI Data Book page 166

opening button all the way in while closing the door. All
door locks are set so that both inside and outside door handles
are inoperative when the lock button is depressed. To open
any door, lift the lock button before operating the door handle.
Power Door Locks
If your car is equipped with automatically actuated power
door locks (optional at extra cost), all doors may be locked or
unlocked by operating the switch located on either front door.
Push the switch down to lock all doors, and lift up on the
switch to unlock the doors. The automatic locking mechanism
does not, at any time, interfere with manual operation of any
door lock button. The doors will not unlock or open with the
inside door handle when the lock button is depressed, but can
be unlocked individually by lifting the lock button.
On the Fleetwood Seventy-Five Limousine, the door lock
switch located on the left front door operates only to lock the
doors. An additional door lock switch is provided on the right
rear door on limousine styles for the convenience of rear seat
passengers. This switch will lock and unlock all doors in the
conventional manner.
Hood latch
The hood latch is operated in two steps by means of a lever.
The release lever is accessible between the grille and hood
panel, just to the right of center when viewed from front of
car. Apply pressure to this lever, forcing it upward. The hood
will release but will be prevented from opening further by a
secondary latch. Further movement of the lever will release
the secondary latch, allowing the hood to be raised. To close
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