Buick 1993 Roadmaster Owner's Manual page 65

When a new Roadmaster is delivered, the dealer
removes the plugs from the keys, and gives them to the
first owner.
Each plug has a code on it that tells your dealer or a
qualified locksmith how to make exBa keys. Keep 'the
plugs in a safe place. If y.ou lose your keys, you'll be
able to have new ones made easily using these plugs.
Door Locks
I
A
CAUTION:
Unlocked doors can be dangerou,.
P.assengers
-
especially children
-
can
easily
open the doors and fall out. When a.door is
locked, the inside handle won't open it.
,
. ,
Outsiders can easily enter through an uniockc
door when you slow down or stop your vehicle.
?his may not be so obvious: You increase the
chance of being thrown out of the vehicle in a
crash if the doors aren't locked. Wear safetl
belts properly, lock your doors, and you wi'll be
far better off whenever you drive your vehicle.
,