Thanks so much for the clarification.
I have good news for you. Because SSDI is a benefit that you earned by paying into social security, your disability benefit is not based on your wealth or on your assets. There is no limitation on the number of vehicles that you may own and still qualify for your full SSDI benefit.
Your SSDI benefit can only be limited by income that you actually earn from work while you are receiving SSDI benefits. Let me explain.
Social Security has what is called a trial work period. It is a period of 9 separate months where you may earn as much as you want. In 2015, any months you earn less than $780 gross wages in do not count. After you have had a total of 9 months where you earned more than $780 gross, you will be able to work and continue to receive benefits so long as you do not earn more than $1,090 per month.
Here is a link to a social security site which explains this in greater detail: http://www.ssa.gov/redbook/eng/ssdi-only-employment-supports.htm
So, under the circumstances, there is no limitation placed by Social Security on the number of vehicles that you may have registered in your name in CA.
You may reply back to me using the Reply link and I will be happy to continue to assist you until I am able to address your concerns, to your satisfaction.
Please remember to rate my service to you so that I can be compensated for helping you. Thank you in advance.
I wish you and yours the best in 2015,