The check engine light on a Buick Regal can be reset with a special diagnostic scanner. This can be performed at a car dealership or service garage.
Discounted the battery
The check engine light on the 1998 Buick Park Avenue can be reset by disconnecting the battery for a few minutes and then reconnecting it. The check engine light is only going to stay off if the problem that created the light is fixed.
You can only reset it with an OBDII diagnostic scaner
with hand held computer (scanner)
Figure out what tripped the code and fix the problem
You will need a OBD2 scan tool to reset the light after repairing the problem that caused the fault code. If you do not repair the problem the light will just come back on.
Disconnect the negative battery cable for 10 seconds.
After repairing the cause of the code, you can clear it with a scan tool.
how to reset the batterie light
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