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The video above shows you how to replace the battery in your 2006 Buick Lucerne. 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 Lucerne that you need to replace.
Replacing the battery in your Lucerne involves removing the terminals. When you reconnect the terminals, your radio presets are likely to be cleared out. In some Lucernes, 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.
Minor transmission fluid leaks can often be fixed with the right sealant - see how to do this2006 Buick Lucerne CXS 4.6L V8
If your transmission is running low on fluid, be sure to add some - find out how to do this here!2006 Buick Lucerne CXS 4.6L V8
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too2006 Buick Lucerne CXS 4.6L V8
Harsh downshifts? Slipping gears? You might be low on transmission fluid2006 Buick Lucerne CXS 4.6L V8
White light when you back up - yup, they burn out and you can replace them with bright LEDs2006 Buick Lucerne CXS 4.6L V8
On many cars, the high beam bulb runs at reduced power during the day - check 'em and change 'em!2006 Buick Lucerne CXS 4.6L V8