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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.
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too2004 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
Replacing a dirty air filter can improve gas mileage by up to 4%. Isn't efficiency great?2004 Buick LeSabre Custom 3.8L V6
White light when you back up - yup, they burn out and you can replace them with bright LEDs2004 Buick LeSabre Custom 3.8L V6
Transmissions that leak fluid usually have never been flushed and the seal is finally leaking. The right stop leak product can cure a lot2004 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