oscaro.com, as data

## [**Step 5**Reconnect the negative poleReconnect the positive pole (a small spark may occur)**Wait 5 minutes before opening the doors or starting this allows the car's computers to start**re-install the plastic battery coverscrew the air box panel back on and replace the hood## [**Step 6**Install the voltmeter on the batteryThe voltage at no load or with the ignition on must be between 12.2V and 12.6V depending on the battery chargeEngine running the voltage should be between 13.8 and 14.4V, otherwise there is an alternator problemCancel: I did not complete this guide.10 other people completed this guide.luc lopez ](https://tutoriels.oscaro.com/User/3845/luc+lopez)I forgot to say that I managed to get out of it by raising the insulation under the windshield by wedging above the engine. This leaves more room to remove and replace the battery cover.The battery cover is really difficult to remove and replace... really poor designThanks for this tutorial which helped me anyway.On a C4 from March 2014 (model 2), I just replaced the battery. My experience:This is much more difficult than indicated above, the negative terminal is mounted securely on an electronic battery sensor ref 98 020 435 80.This terminal and sensor are very difficult to access, so much so that I broke this sensor. Cost of the operation: 102 euros in addition to the battery. To remove the battery, you must undo the horizontal nut with a 13 extra flat ratchet wrench or preferably an eye wrench, and do not try to release the terminal - which will be released once the battery is removed.Le demontage du cache plastique est un enfer…et demonter la vis est tres compliquée sans une extension de cléthe battery is more difficult to access than in the tutorial above.I haven't started the disassembly yet, I would like to have the specific procedure for the VTS before.### Embed this guide