Oil pressure light won't quit chiming

Your engine is worn, likely from insufficient oil changes. This causes the oil pressure to drop at low RPM's and causes the warning light to come on.

Depress the accelerator pedal fully three times within five seconds. Allow the pedal to release fully after each pump. Listen for a chime, indicating the procedure is successful. The "Change Oil" light will turn off.. With the ignition key in ON, press the RESET
button located in the driver's side instrument panel
fuse block. See "Instrument Panel Fuse Block" in
the Index.
2. When the CHANGE OIL light starts to flash, press
and hold the RESET button again.
The reset is complete when you hear the chimes
sound and the CHANGE OIL light goes out.

As I remember, the first button press(s) step through lighting the change oil light, the tire pressure light and no light on the dash. Stop pressing while the change oil light is lit and then press and hold until the chimes.

Check the seatbelt system. and sensor in the seat.

do you have a low on oil sensor to.I know on Mercedes you sometimes have to change both.

Key in ignition chime ?
Saturn L-Series ?????? L what ? L100 ,L200 , L300
Audible Warnings
The body control module (BCM) will provide an audible warning for various events relating to the vehicle. The functions that provide an audible warning are the key in ignition, the lights on, the occupant restraint (seat belt) and the park brake.
Key in the Ignition Audible Chime
The BCM will provide an audible chime if the key is left in the ignition in either OFF or the accessory position with the driver's door open. The chime rate for this is 150 chimes per minute. The key in the ignition chime has a higher priority than the lights on chime.
Lights on Audible Chime
The BCM will provide an audible chime if the park lights are on and the driver's door is open. In addition, 1 or 2 other conditions exist. The key is out of the ignition, or the key is in the ignition in the OFF position, and has not been turned. The BCM will chime at a rate of 200 chimes per minute until the conditions are removed.
Occupant Restraint Audible Chime
The BCM will provide an audible chime based on the class II message received from the SDM if the driver's seat belt is not buckled when the ignition is turned to run or crank. The chime rate for this feature is 50 chimes per minute.
Park Brake Audible Chime
The BCM will provide an audible chime for park brake when the park brake is applied and the vehicle speed is higher that 3 mph. The chime rate for this feature is 200 chimes per minute.

You can't disconnect anything . The problem has to be fixed .

The BCM will provide an audible chime for park brake when the park brake is applied and the vehicle speed is higher that 3 mph. The chime rate for this feature is 200 chimes per minute.
Audible Warnings (Chime)
Chime Rate Per Minute
Key in the Ignition Audible Chime
150
Lights on Audible Chime
200
Occupant (Seat Belt) Restraint Audible Chime
50
Park Brake Audible Chime
200
Content Theft Pre-Alarm Audible Chime
200
Telltale Chimes
The body control module (BCM) will provide 4 chimes for each telltale activation per ignition cycle, at a rate of 150 or 200 chimes per minute. The chimes are limited to 1 chime event per telltale for each ignition cycle. The power up telltale function will not activate the telltale chime function. If the telltale becomes active during a cycle then the chime will sound.
The following telltales will activate the chime function:
• Low Washer Fluid
• Change Oil Soon Indicator
• Brake Fluid Low
• Oil Pressure Low
• Coolant Temperature Hot
• Low Coolant Level
• Low Fuel Level
• Antilock Brake System
• Volts Light (Generator)
• Supplemental Inflatable Restraint System (Air Bag)
• Trunk or Hatch Ajar

Having the vehicle checked for DTC'S - diagnostic trouble code's in the BCM would be the first step in the diagnostic procedure .
DTC B2965
When the ignition key is seated in the ignition switch, the key-in-ignition switch contacts the close, grounding circuit 80. The body control module (BCM) monitors the state of the key-in-ignition switch, the state of the ignition switch (OFF, ACC, or RUN) and the driver's door to control the key-in-ignition chime.

Which light comes on and chimes?
No there is no reset.
Let's first focus on which light is illuminated? The Check Engine Light or another light?
If the check engine light, have you had the trouble code read?

Well if the ABS light is still on when you turn the car off you might want to check the brakes especially if you have drums in the back. check the oil level too. also the oil pressure guage might be bad along with the abs sensor.

a mechanical gauge properly installed using copper line not plastic is a good idea ( plastic gets hard and breaks or melts if it gets hot)
do not consider turning off the light or the noise as it will hide a pressure failure
remember that the average driver doesn't look at the gauges while driving

it is possible your oil pump is going out, this is the reason for the chime

the oil pressure switch may need replacing or youre oil pressure is low check the oil pressure switch first if it is leaking oil at the switch this will cause the problems