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The video above shows you how to replace the battery in your 2010 Mazda 3. We recommend changing the battery in Mazdas 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 3 that you need to replace.
Replacing the battery in your 3 involves removing the terminals. When you reconnect the terminals, your radio presets are likely to be cleared out. In some 3s, 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 Mazda and they will give you the code for free. In many Mazdas, 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 car is leaking a small amount of power steering fluid - see this video on how to fix the leak2010 Mazda 3 i 2.0L 4 Cyl.
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too2010 Mazda 3 i 2.0L 4 Cyl.
Learn where your air filter is located and how to determine if it needs to be changed.2010 Mazda 3 i 2.0L 4 Cyl.
Cars burn, leak and otherwise dispense of their oil. Check your level frequently and top up when necessary2010 Mazda 3 i 2.0L 4 Cyl.
Burnt out brake lights increase your chance of getting rear ended - check and change yours today2010 Mazda 3 i 2.0L 4 Cyl.
There's no reason to check the washer fluid level without adding some - see how to do it here!2010 Mazda 3 i 2.0L 4 Cyl.