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How to Replace the Remote Battery on VW Polo

Model: Volkswagen Polo MK IV, Polo IV, Polo 4, MK 4, 9N - Years 2001-2009
Part: Key

Is the battery in your VW Polo due for a change? Here’s how to replace it in the key. Take the remote and press the button to release the metal key. Once extracted, use a lever to separate the two parts of the remote as shown in the video. Separate the plastic parts of the key cover, remove the worn battery from the housing (after separating the two halves of the cover), take a new one of the same size and voltage. Refit the plastic cover of the remote, insert the metal key back into the cover. Check the correct operation with the dedicated buttons.

Updated on 16 March 2026 by ScegliAuto

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While driving, if you notice the tyre pressure warning light coming on, first check the actual inflation pressure of the tyres and, if necessary, restore the pressures recommended by the manufacturer. After restoring the correct pressures, you need to reset the warning light that has illuminated on the instrument cluster. To do this, locate the reset button on the lower central console. Press this button and hold it down for at least 3 seconds, after which the low pressure indication will turn off.

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