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The video above shows you how to replace the battery in your 2004 Cadillac DeVille. We recommend changing the battery in Cadillacs every 4 years. Although some batteries last much longer, most batteries begin breaking down chemically after four years, so you could experience dimmer headlights and other negative effects before you have a dead battery in your DeVille that you need to replace.
Replacing the battery in your DeVille involves removing the terminals. When you reconnect the terminals, your radio presets are likely to be cleared out. In some DeVilles, you may need to re-enter a security code to get your radio to work again. Check for this code in your owners manual - it will usually be either a sticker or small card in the booklet. If you can't find it, call Cadillac and they will give you the code for free. In many Cadillacs, the transmission "learns" how you drive over time and makes adjustments, so you may experience altered driving dynamics as your car re-learns your driving style after changing the battery.
Because you have to start somewhere2004 Cadillac DeVille DTS 4.6L V8
If your battery has green or white cruddy deposits, it is probably not getting enough juice from and will likely wear out sooner2004 Cadillac DeVille DTS 4.6L V8
If your transmission is running low on fluid, be sure to add some - find out how to do this here!2004 Cadillac DeVille DTS 4.6L V8
Coolant hoses wear out over time and need to be replaced - check 'em early and often2004 Cadillac DeVille DTS 4.6L V8
Low coolant levels is all to common - top yours up today2004 Cadillac DeVille DTS 4.6L V8
A check engine light can be cleared with a simple fix or it could be a major problem - find out now!2004 Cadillac DeVille DTS 4.6L V8