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The video above shows you how to replace the battery in your 2006 Cadillac CTS. 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 CTS that you need to replace.
Replacing the battery in your CTS involves removing the terminals. When you reconnect the terminals, your radio presets are likely to be cleared out. In some CTSs, 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.
If your brake fluid is a little low, learn how to add some here. Ignoring a low level leads to big problems2006 Cadillac CTS 3.6L V6
If your battery has green or white cruddy deposits, it is probably not getting enough juice from and will likely wear out sooner2006 Cadillac CTS 3.6L V6
Learn where your spare tire and jack are located before you need it on the side of the road2006 Cadillac CTS 3.6L V6
DRLs are on more than your headlights. They burn out faster and should be replaced regularly2006 Cadillac CTS 3.6L V6
There's no reason to check the washer fluid level without adding some - see how to do it here!2006 Cadillac CTS 3.6L V6
Don't be caught in the fog with burnt out fog light bulbs2006 Cadillac CTS 3.6L V6