Ask the Nevada DMV what their small estate procedure is (they likely have a form) and use their process instead of CA's process. You should not need to go to probate court if that is the only asset in the estate.
You also might try re-posting this with a Nevada location.
A small ancillary probate may be necessary, but try re-posting and calling the Nevada DMV.
This posting is for informational purposes only. It is not legal advice, nor does it establish an attorney-client relationship. For more information, please visit www.justinelderlaw.com.