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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.
Carmakers are hiding interior fuse boxes all over the place these days - see how to check your interior fuses here!2004 Cadillac DeVille DTS 4.6L V8
The best way to fix leaking hoses is to replace them, but if you don't have time, a stop leak product might work for you2004 Cadillac DeVille DTS 4.6L V8
If your car is leaking a small amount of power steering fluid - see this video on how to fix the leak2004 Cadillac DeVille DTS 4.6L V8
Don't be caught in the fog with burnt out fog light bulbs2004 Cadillac DeVille DTS 4.6L V8
Flushing the coolant in your car is not that hard and will extend the life of your engine tremendously - learn how here!2004 Cadillac DeVille DTS 4.6L V8
Harsh downshifts? Slipping gears? You might be low on transmission fluid2004 Cadillac DeVille DTS 4.6L V8