While you go on a long travel, its always better to have your travel insured with some insurance agents. There are also advance break down precautions that you can take by making an advance booking in case of a break down and secure a deposit. They will be able to assist you in case of a breakdown in the wee hours and in the middle of some deserted place. Their cars are available 24/7 for service. Check for roadside assistance plan in this website.