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
To reset the air ride system on a Buick Lucerne, start by turning off the ignition and disconnecting the negative battery terminal for about 10 minutes. Reconnect the battery terminal, then turn the ignition to the "On" position without starting the engine. This should reset the air ride system; if the warning light persists, you may need to check for any fault codes with a diagnostic tool. Always consult the owner's manual for specific instructions related to your vehicle's model year.
To reset the check engine light on a 1989 Buick Reatta, first ensure that any underlying issues have been addressed. Then, disconnect the negative battery terminal and leave it off for about 15 minutes. Reconnect the terminal, and the check engine light should reset. If the light returns, it indicates that there may still be an issue that needs to be diagnosed.
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.
After repairing the cause of the code, you can clear it with a scan tool.
Disconnect the negative battery cable for 10 seconds.
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