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The video above shows you how to replace the battery in your 2003 Jeep Grand Cherokee. We recommend changing the battery in Jeeps 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 Grand Cherokee that you need to replace.
Replacing the battery in your Grand Cherokee involves removing the terminals. When you reconnect the terminals, your radio presets are likely to be cleared out. In some Grand Cherokees, 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 Jeep and they will give you the code for free. In many Jeeps, 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 you have an electrical component that doesn't work, try replacing the fuse first2003 Jeep Grand Cherokee Laredo 4.0L 6 Cyl.
If your car is leaking a small amount of power steering fluid - see this video on how to fix the leak2003 Jeep Grand Cherokee Laredo 4.0L 6 Cyl.
If you are leaking oil and parking on your oil spots each night, the oil is breaking down your tires' rubber2003 Jeep Grand Cherokee Laredo 4.0L 6 Cyl.
The burnt out tail light: classic reason for a cop to pull you over - change yours now2003 Jeep Grand Cherokee Laredo 4.0L 6 Cyl.
White light when you back up - yup, they burn out and you can replace them with bright LEDs2003 Jeep Grand Cherokee Laredo 4.0L 6 Cyl.
Coolant hoses wear out over time and need to be replaced - check 'em early and often2003 Jeep Grand Cherokee Laredo 4.0L 6 Cyl.