1. Use Your card to initiate and complete Your entire car rental transaction. 2. I declined insurance from the rental car company.I showed the officer my rental contract but he said he needed to see my proof of insurance. You will need to fill out this application to certify your individually owned, shared vehicle for Peer-to-Peer sharing use per A.R.S. § 28-9616. This primer reviews standard items in a rental car contract and what you should consider when you encounter them. Q: Can insurance be added to the rental? Optional insurance through the car rental company is available. This article will tell you what to do in this situation, who will compensate for this damage, and other rental car insurance details. Pima County Government services and news including Tucson, Marana, Ajo, Oro Valley, Sahuarita, Three Points and Arivaca. Learn about programs and organizations that give free legal advice and may help you find a free or lowcost attorney.