No insurance coverage means "don't drive the car". I would say that if your girlfriend has insurance coverage on the car and she allows you to drive there would not be a problem. This is unless you had been formally excluded from coverage by her insurance company.
You need to check with your current insurance carrier. In my case I am insured thru Farmers, and with them as long as you carry full coverage on the rig you own and drive that same coverage will be with you in any rig you drive except commercial rigs.
An SR22 isn't a policy or a coverage. It is a notification to the state that you have coverage.
You can but you will be breaking the law.
Auto Insurance Without a Car?Yes, You can purchase "Non Owners Insurance" Coverage. Sometimes referred to as "Named Driver Coverage"Drive safe - Buckle Up
Your coverage should kick in - if it was a matter of fault, you will be in the driver's shoes unfortunately.
You need to have it changed as soon as the deal is final, and all the paperwork is done. Don't drive anywhere without contacting your insurance company.
It depends where you are. Some places do not mandate it
Usually it does, you would have to check to see if you have a broad coverage policy or not.
It depends on the type of policy you purchased. It may provide coverage for permissive use or it may not. Contact your insurance agent and they can advise you of the coverage you have now and recommend the appropriate coverage for you.
Coverage that is provided when purchasing standard car insurance are liability coverage and the legal right to drive. There are two liability coverages: bodily injury and property damage liability.