How do you reset engine light for 2005 pt cruiser?

To reset the engine light on a 2005 PT Cruiser, you can use an OBD-II scanner to clear any stored trouble codes. Alternatively, you can disconnect the negative battery terminal for about 15 minutes, which will also reset the engine light. After reconnecting the battery, the light should turn off if the issue has been resolved. However, if the light comes back on, it indicates that there may still be an underlying problem that needs to be addressed.