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The video above shows you how to replace the battery in your 2003 Buick LeSabre. We recommend changing the battery in Buicks 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 LeSabre that you need to replace.
Replacing the battery in your LeSabre involves removing the terminals. When you reconnect the terminals, your radio presets are likely to be cleared out. In some LeSabres, 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 Buick and they will give you the code for free. In many Buicks, 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.
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 Buick LeSabre Custom 3.8L V6
If your battery has green or white cruddy deposits, it is probably not getting enough juice from and will likely wear out sooner2004 Buick LeSabre Custom 3.8L V6
If your transmission is running low on fluid, be sure to add some - find out how to do this here!2004 Buick LeSabre Custom 3.8L V6
Don't be the guy with your third brake light burnt out2004 Buick LeSabre Custom 3.8L V6
Many cars will burn or leak a little bit of oil. Over time, this adds up and you might need to add some - learn how to here!2004 Buick LeSabre Custom 3.8L V6
There's no reason to check the washer fluid level without adding some - see how to do it here!2004 Buick LeSabre Custom 3.8L V6