Chapter 7 bankruptcy provides several options for dealing with secured debts and the items of property that serve as collateral for those debts. If you don't take steps to keep the property, you may lose it during the bankruptcy.
To start, learn about secured debts -- what they are, your obligations for payment of those debts, and what happens to the property securing the debt in bankruptcy. Then read about your options for surrendering or keeping the property. The articles discuss the advantages and disadvantages of each option, when you can use them, and when it would be a good or bad idea to employ the various options.