Method using a diagnostic scanner:
1. Connect the diagnostic scanner to the OBD-II connector of the vehicle.
2. Turn on the ignition, but do not start the engine.
3. Run diagnostic software on the scanner.
4. Find the section in the software related to automatic transmission adaptation reset.
5. Follow the instructions on the scanner to reset.
Method without a diagnostic scanner:
1. Find your car’s battery.
2. Disconnect the negative cable from the battery.
3. Wait 15-20 minutes to reset the automatic transmission computer.
4. Connect the negative cable back to the battery.
5. Start the engine and let it idle for 10-15 minutes.