* Radio: This usually involves a specific button combination or sequence. Consult your owner's manual.
* Trip Odometer: Typically a button on the instrument cluster.
* Computer/ECU: This requires specialized tools and knowledge and isn't something you'd typically do yourself. A mechanic might need to perform a reset if there are computer errors.
If you're having a specific problem with your Cirrus, it's best to describe the issue. Then, more specific advice can be provided.