First, you need to contact your car insurance provider to inquire about renewing your policy. Depending on the insurance company, you may be able to renew your policy online, by phone, or in person. If you renew online or by phone, you will likely need to provide your policy number and other personal information, as well as payment for the premium. In person, you will need to bring your expired policy, as well as proof of insurance from the previous policy period. You will also need to providepayment for the premium.