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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.
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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
White light when you back up - yup, they burn out and you can replace them with bright LEDs2006 Cadillac CTS 3.6L V6
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Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2006 Cadillac CTS 3.6L V6
Low coolant levels is all to common - top yours up today2006 Cadillac CTS 3.6L V6