The most popular auto insurance discounts are good driver, multiple policy, marriage, education, and professional discounts. When you quote insurance rates from your insurance company, the discounts are automatically applied if you're qualified. You should make sure that you have provided complete information to your insurance company.
The information in this answer is general in nature and is not legal or insurance advice for your specific situation. Policy language varies carrier by carrier; your declarations page is the final word. If you're unsure, call your agent before you need to file.