Yes, paying vehicle registration online is possible in California. Here is how to do it. You might have received a vehicle registration renewal notice in your mail which will tell you about the paperwork required and the fee that has to be paid. Payment options will also be listed. Log on to the California DMV site here to read more about the process and begin payment. Enter your vehicle number at the website. Select your payment option. Read the E-check payment options that are available and authorize payments. Inform your bank about the transaction and your vehicle registration number.