You might be thinking of:
* Trip odometer reset: This is usually a button, not a switch, and its operation is described in your owner's manual.
* Circuit breakers/fuses: These are usually reset by pushing them back in, not by flipping a switch up or down.
* ECM (Engine Control Module) reset: This is usually done by disconnecting the battery for a period of time, not with a switch.
* Other electronic modules: Different modules might have their own reset procedures.
To answer your question accurately, please specify *what* you're trying to reset on your 2001 Ford Mustang.
