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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 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
Don't send mixed signals - if your turn signal doesn't blink, or blinks rapidly, you likely have a burnt out bulb2006 Cadillac CTS 3.6L V6
Because you have to start somewhere2006 Cadillac CTS 3.6L V6
On many cars, the high beam bulb runs at reduced power during the day - check 'em and change 'em!2006 Cadillac CTS 3.6L V6
Stop! Checking your brake fluid from time to time is a great way to ensure safe stopping2006 Cadillac CTS 3.6L V6
If your blinker doesn't blink, or blinks rapidly, you likely have a burnt out bulb2006 Cadillac CTS 3.6L V6