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The video above shows you how to replace the battery in your 2003 Cadillac Seville. 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 Seville that you need to replace.
Replacing the battery in your Seville involves removing the terminals. When you reconnect the terminals, your radio presets are likely to be cleared out. In some Sevilles, 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.
Minor transmission fluid leaks can often be fixed with the right sealant - see how to do this2003 Cadillac Seville SLS 4.6L V8
Coolant hoses wear out over time and need to be replaced - check 'em early and often2003 Cadillac Seville SLS 4.6L V8
Transmissions that leak fluid usually have never been flushed and the seal is finally leaking. The right stop leak product can cure a lot2003 Cadillac Seville SLS 4.6L V8
Because you have to start somewhere2003 Cadillac Seville SLS 4.6L V8
Learn how to diagnose and fix minor oil leaks in your car2003 Cadillac Seville SLS 4.6L V8
If your transmission is running low on fluid, be sure to add some - find out how to do this here!2003 Cadillac Seville SLS 4.6L V8