Buick 1999 Riviera Owner's Manual page 68

Customizing Your Memory Door Locks Feature
You can program the memory door locks feature to
change to the following modes:
Mode Operation
0 No automatic door lock or unlock.
1 Both doors automatically lock when shifted
out of PARK (P). No automatic door unlock.
2 Both doors automatically lock when shifted
out of PARK (P). Only the driver's door
automatically unlocks when shifted into
PARK (P).
3 Both doors automatically lock when shifted
out of PARK (P). Both doors automatically
unlock when shifted into PARK (P).
2-6
Vehicles are delivered programmed in Mode 3.
To change the modes:
1. Close both doors and turn the ignition on. Keep both
doors closed throughout this procedure.
2. Press and hold LOCK on the driver's power door
lock switch through Step 4.
3. Press the LOCK button on the remote keyless entry
transmitter. The memory door locks will remain in
the current mode.
4. Press the LOCK button on the transmitter again.
Each time the transmitter's LOCK button is pressed,
the mode will advance by one, going from Mode 3
to 0 to 1, etc.
NOTE: The door locks will cycle according to the
mode entered while customizing memory door locks.
(Mode "0" has no feedback.)
5. Release the power door lock switch. The memory
door locks will remain in the most recent
mode selected.
This procedure changes the mode for only the
transmitter used to change this setting. The procedure
will need to be repeated for the second transmitter.
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