You can renew your registration online if:
You have access to the Internet.
You have a valid credit card, debit card, or checking account.
You know the last 5 digits of the Vehicle Identification Number (VIN) or the Hull Identification Number (HIN) for your vehicle or vessel.
You have insurance for your vehicle OR you are registering a vehicle that does not need insurance (like a trailer).
DMV has electronic smog certification information for your vehicle on file.
Did you fail your smog test?