p>Generally, coverage from your primary auto insurance will extend to a rental vehicle. Be sure to call your car insurance company to verify your rental coverage. You also have the option to buy additional coverage directly from the rental agency.</p> <p>If your car insurance policy covers you for any vehicle you drive, you don't have to purchase the rental car agency's additional insurance. If you cause an accident while driving the rental, your liability insurance will cover up to your policy limits for the damages to other cars or property.</p> <p>If you cannot provide proof of insurance, the car rental agency will require you to purchase coverage directly from them.</p