To apply for USAA car insurance, visit their website or call their dedicated hotline. Complete the online application with your personal and vehicle information, and you may need details like your driver’s license and vehicle registration. USAA, serving military members and their families, offers competitive rates and exceptional service. The application process is user-friendly, and once submitted, you can expect prompt processing. Join USAA to benefit from their commitment to service and tailored coverage options for your auto insurance needs.