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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.
Don't be caught in the fog with burnt out fog light bulbs2004 Cadillac DeVille DTS 4.6L V8
If you have an electrical component that doesn't work, try replacing the fuse first2004 Cadillac DeVille DTS 4.6L V8
Small bulbs that burn out regularly - did you know you can replace these with LED lights?2004 Cadillac DeVille DTS 4.6L V8
Animals love the sweet smell of antifreeze, too bad it's toxic! Fix your minor leaks2004 Cadillac DeVille DTS 4.6L V8
DRLs are on more than your headlights. They burn out faster and should be replaced regularly2004 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