The battery is one of the most important components of your car, as it powers all the electrical components. Without a working battery, your car won’t run.
Once you’ve chosen a battery, you’ll need to install it. This can cost up to $100 at a mechanic. However, if you buy the battery at an auto body store, they’ll often install it for free (after purchase).
With your new battery installed, your Cadillac DeVille should be ready to return to the road!