General instruction; the source does not identify a specific filmed vehicle.
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Procedure notes
Where is the battery located in a Audi A4?
The video above shows you how to replace the battery in your 2017 Audi A4. We recommend changing the battery in Audis 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 A4 that you need to replace.
The battery location in a Audi A4 can typically be found in the engine bay, but may be in the trunk, fender or inside of the vehicle. You may need to remove the air filter housing, a plastic engine cover or parts of the cowl to find the battery in your A4. See exactly where the battery is located in your 2017 Audi A4.
Replacing the battery in your A4 involves removing the terminals. When you reconnect the terminals, your radio presets are likely to be cleared out. In some A4s, 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 Audi and they will give you the code for free. In many Audis, 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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在 奥迪 A4 中，蓄电池位于何处？
上面的视频展示了如何更换您的 2017 奥迪 A4 车辆的电池。 我们建议每隔 4 年为 奥迪车型 更换一次电池。 虽然部分蓄电池寿命更长，但大多数蓄电池在使用四年后会开始出现化学性能衰退。因此，在 A4 的蓄电池彻底失效、需要更换之前，你可能就会先遇到前照灯变暗等问题。
在 奥迪 A4 车辆中，蓄电池通常位于发动机舱，但也可能位于后备箱、车门板或车内。 您可能需要拆除空气滤清器罩、塑料发动机盖或车头罩的某些部件，才能找到您的 A4 车辆上的蓄电池。 请查看您的 2017 奥迪 A4 车辆中蓄电池的具体位置。
在您的 A4 上更换电池需要拆除端子。 当你重新连接端子时，收音机的预设设置可能会被清除。 在某些 A4s 车型中，您可能需要重新输入安全码才能让收音机恢复正常工作。 在您的用户手册中查找此故障码 - 它通常会以标签或书本内的小卡片形式存在。 如果找不到，请联系 奥迪，他们将免费为您提供该代码。 在许多 奥迪车型 车辆中，变速箱会随着时间推移学习你的驾驶习惯并进行相应调整，因此在更换电池后，车辆重新学习驾驶风格时，你可能会感受到驾驶动态的改变。