Everyone knows about miles, points, cash back and other credit card rewards. However, some credit cards offer other perks that can be just as valuable.

Here are a few credit card benefits that can save stress and cash.

• Extended warranties. You can often secure an extra year on a warranty just by buying with the right credit card, says Linda Sherry, director of national priorities for Consumer Action. That means you don't have to spend your own money to extend the warranty, she says.
• Traveler's services, such as roadside assistance, travel insurance and lost-bag coverage.
• Theft, breakage and loss protection, or purchase protection, for items bought with your credit card.

If you familiarize yourself with the fine print or make a quick phone call, you may discover a few hidden perks on your credit cards that can save you money.