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How to change the battery in an after-market TPMS system

Model: (Various brands) Various
Part: Checks and maintenance

What we see in the video is an aftermarket TPMS system, consisting of a battery-powered internal car display, with a solar panel for support, and 4 sensors to be screwed onto the tire valves. The problem is that after about a year and a half, the display battery had run out. It is a very valid system to equip an older car with tire pressure monitoring system. We can find it, for example, on eBay with the code 365443551529 at a price of 69.99 euros, with free delivery in 5 days. The original battery is a 3.7v 300 mAh and shows us how it is possible to open the device by soldering the wires and close everything back up.

Posted on 2 October 2025 by ScegliAuto

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How to Remove the Front Bumper of the Citroën C4 Picasso?

To remove the front bumper of the Citroën C4 Picasso, you need to take out all the rivets and screws that secure the piece to its housing: these screws are located inside the wheel arches of the front wheels and at the central upper part of the bumper itself. Once all these fastening elements have been removed, you can detach the bumper from its seat by disconnecting the connectors inside and then insert the new replacement part. The new part can then be secured and connected properly, ensuring it is correctly fixed in place.

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