Can the battery be disconnected when replacing it on a Peugeot 308?
3 Answers
Generally, it is not necessary to disconnect the battery, and sometimes matching is required when replacing it with the power disconnected. Here is an introduction to the Peugeot 308: Introduction to the Peugeot 308: The Peugeot 308 is a compact sedan produced by Dongfeng Peugeot. The brand story of Dongfeng Peugeot: Peugeot Automobile Company is a long-established European automobile manufacturer. However, manufacturing cars is not the entirety of Peugeot's history. Peugeot has been involved in many areas of manufacturing, such as hardware tools, household utensils, crinolines, telescopes, springs for pince-nez glasses, saw blades, surgical instruments, shotguns, radios, sewing machines, and more. Before the automobile era, Peugeot's production scale of bicycles, motorcycles, and transport vehicles was once quite large. After all, Peugeot's history can be traced back to the 15th century.
I've repaired quite a few Peugeot 308s, and disconnecting the battery for replacement is completely feasible, but it must be done step by step to avoid electronic system chaos. This car has many electronic modules, and after power loss, the one-touch window function may fail, radio presets and clock need to be reset, and the anti-theft system occasionally throws fault codes. I recommend preparing tools before disconnecting: first turn off the car and remove the key, wear gloves to prevent short circuits. Unscrew the battery cover, loosen the screws to disconnect the negative black cable first, then the positive red one; when installing the new battery, connect the positive red first, then the negative black. Safety first, don't rush, after starting the car, check the window switches a few times to restore functionality. After replacement, it's best to use a diagnostic tool to clear any codes. For routine maintenance, this procedure is straightforward, don't worry about data loss.
I changed the battery on my Peugeot 308 by myself with the power disconnected, it was simple and easy. Just needed to reset the power windows: hold the button for a few seconds after raising them to the top. The steps are to open the hood, loosen the screws to remove the negative cable first, then the positive cable. Install the new battery by connecting the positive terminal first, then the negative. The car started normally, only the radio stations and clock reset to zero, which can be adjusted later. No auxiliary power supply is needed, just prepare a wrench and anti-slip gloves. It's recommended to do it in a home garage to avoid issues on the road. After changing, check the lights, there's not much risk.
