How to open the fuel tank in Citroën: a hot topic and practical guide on the Internet
Recently, car usage skills have become one of the hot topics on the Internet, among which "how to open the Citroen fuel tank" has attracted the attention of many car owners. This article will combine the hot topics on the Internet in the past 10 days to provide you with a detailed analysis of the Citroen fuel tank opening method, and attach a comparison of relevant vehicle model data.
1. Inventory of hot automotive topics across the Internet (last 10 days)

| Ranking | Topic keywords | search volume | Main platform |
|---|---|---|---|
| 1 | New energy vehicle subsidy policy | 12 million+ | Weibo/Douyin |
| 2 | Autonomous driving accident analysis | 9.8 million+ | Zhihu/Bilibili |
| 3 | car hidden features | 8.5 million+ | Xiaohongshu/Kuaishou |
| 4 | Fuel tank opening method | 6.2 million+ | Baidu/Autohome |
2. Complete strategy for opening Citroen fuel tank
According to actual measured data from car owners and official manuals, the fuel tank opening methods of different Citroen models are slightly different:
| Model series | Opening method | Things to note |
|---|---|---|
| C3-XR | Pull the lever on the left side of the driver's seat twice in succession | Need to operate in unlocked state |
| Versailles C5X | "Fuel tank" button on the center console + manually press the fuel tank cap | Need to press and hold the button for 2 seconds |
| Tianyi C5 | Press the fuel tank button twice in succession on the remote control key | Valid within 3 meters from the vehicle |
3. Frequently Asked Questions for Car Owners
1.Why can't the lever be pulled?
Possible reasons: vehicle not unlocked/child lock activated/lever mechanical failure. It is recommended to check the door lock status first.
2.Will new models cancel the external fuel tank switch?
Some models in 2023 will be switched to electric opening, which needs to be controlled through the central control screen or voice control. This is part of Citroen's intelligent upgrade.
3.Emergency opening method
When the electronic system fails, there is a mechanical pull cord inside the right trunk cover (refer to page 87 of the user manual for the specific location).
4. Technical principles and design evolution
Citroën's fuel tank opening design has gone through three stages:
| era | technology type | Representative models |
|---|---|---|
| 2005-2015 | Mechanical lever type | Sega/Elysee |
| 2016-2020 | Electronic button type | C6/Tianyi |
| 2021 to present | Intelligent linkage | Versailles/New C3L |
5. Selection of popular discussions on the entire network
The popular Douyin video "10 Facts About Citroën" has over 500,000 likes per video, and the fuel tank opening content occupies the first 30 seconds of the video. In the relevant Q&A on Zhihu, "Why are French car designs always unconventional" received more than 1,200 professional answers.
Warm reminder: Please refer to the "Vehicle Owner's Manual" during actual operation. There may be slight differences in different models. If you encounter a problem that cannot be solved, it is recommended to contact the 4S store technicians in time.
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