Car Battery
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Long downtimes, lots of short-haul trips: There are many factors that determine when it’s time for a change: If the battery was produced after 2009, you can read on the acid indicator if it needs to be changed. Here, black is a good sign; If it’s showing light yellow, it’s time to visit your Volkswagen Dealer. In general, you should have your battery checked by us every year.

Your battery has to be changed from time to time. The reason: Every time it discharges, lead sulphate crystals form on the lead plates of the battery, which reduce the flow of electricity over time. The greater the number of lead sulphate crystals on the plate surfaces, the lower the capacity of the battery.

Even if you’ve found online instructions on how to change a battery: It’s better to have your battery changed by a professional. After all, there are many things to take into account: Battery acid is highly corrosive, escaping gases may explode and an incorrectly installed battery will damage your Volkswagen.

Many Volkswagen contain a battery management system. It detects a number of aspects, such as the condition of the battery, and regulates the vehicle’s energy consumption. It only works if the battery is perfectly coordinated with the vehicle and the system correctly identifies it via a code. Otherwise the battery may be charged unnecessarily or too strongly discharged. This may result in lasting damage for your vehicle.

Are you unsure about the age of your Volkswagen battery? Not a problem. It’s clearly displayed on the negative battery terminal, where the calendar week and year are imprinted.

We recommend you head to your Volkswagen Partner when your battery is empty. With many remote control keys, the battery change has to be completed within seconds – otherwise the radio data stored in the key may be lost. This may result in your key no longer recognising the vehicle and an initialisation becomes necessary.