How do you get rid of check engine light on a chevy impala2001?

To turn off the check engine light on a 2001 Chevy Impala, first diagnose the underlying issue using an OBD-II scanner to read the trouble codes. Address the problem indicated by the codes, which may involve repairs or replacing faulty components. Once the issue is resolved, you can reset the check engine light by disconnecting the car battery for about 15 minutes or using the scanner to clear the codes. If the light returns, further diagnosis may be needed.