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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.
Do you ever get into your friend's car and notice a bad smell? A dirty cabin air filter could be the culprit2004 Cadillac DeVille DTS 4.6L V8
Because you have to start somewhere2004 Cadillac DeVille DTS 4.6L V8
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
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2004 Cadillac DeVille DTS 4.6L V8
If you are leaking oil and parking on your oil spots each night, the oil is breaking down your tires' rubber2004 Cadillac DeVille DTS 4.6L V8
Cars burn, leak and otherwise dispense of their oil. Check your level frequently and top up when necessary2004 Cadillac DeVille DTS 4.6L V8