Buick 1993 LeSabre Owner's Manual page 63

Power Door Locks (Option)
Push the power door lock switch to lock or unlock all
the doors at once.
Leaving Your Vehicle
If you are leaving the vehicle, open your door and set
the locks from inside. Then get out and close the door.
Remote Keyless Entry System
(Option)
If your Buick has this option, you can lock and unlock
your doors or unlock your trunk from up to 30 feet
(
9 m) away using the key chain transmitter supplied
with your vehicle.
Your Remote Keyless Entry System operates on a radio
frequency subject to Federal Communications
Commission (FCC) Rules.
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