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Where is the fuel tank cap switch located on a Citroën?

4 Answers
Ruiz
07/29/25 1:39pm

The fuel tank cap switch for Dongfeng Citroën is located below the left side of the driver's seat. There are three key points to note regarding fuel tank installation: 1. Storage location: The fuel tank must be stored in a safe location to prevent fires. The tank or fuel container should be placed separately in a visible area, at a safe distance from the diesel generator set, and smoking is strictly prohibited. 2. After placement: The highest fuel level should not exceed 2.5 meters above the base of the diesel generator set. If the fuel level in a large fuel storage exceeds 2.5 meters, a daily-use fuel tank should be installed between the large storage and the diesel generator set to ensure the direct fuel supply pressure does not exceed 2.5 meters. Even when the diesel generator set is turned off, fuel must not flow into the diesel engine through the fuel inlet or injection lines by gravity. 3. Resistance requirements: The resistance at the fuel port must not exceed the specified value for all diesel generators. This resistance value is based on the fuel tank being half full.

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NolanLynn
08/14/25 4:40am

I remember driving Citroën cars for over a decade. The fuel tank cap switch is usually located on the door pillar next to the driver's seat. In older models, there's a small pull handle at the bottom of the door frame – just pull it to open the cap. For newer models like the C4 or C5, it might have been moved to near the feet or the seat armrest, where you just press a button. If you can't find it, don't panic or force anything; the most reliable way is to check the owner's manual, which has detailed diagrams. Citroën's design is quite user-friendly, placing the switch within easy reach to prevent fuel spills or accidents during refueling. I've seen people forcibly pry the cap and end up scratching their cars. During regular maintenance, check if the switch is clogged with dust – it's small but important.

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AsherLynn
10/10/25 4:30am

When I was considering buying a used Citroën, I thought about this. The fuel tank cap switch is usually a round or square plastic button on the floor near the driver's seat—just step on it lightly to pop it open. Some models have a lever above the door handle; just pull it to open. If you can't find it, try pressing around gently—don't use excessive force, or you might break the cable and end up paying for repairs. Also, remember to close the cap tightly after refueling, or fuel might leak or dust could clog the injectors. I've made it a habit to check every time I park—good habits save trouble. The switch location is designed for driver convenience and safety first.

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Doug
11/23/25 5:41am

The fuel filler cap release of Citroën vehicles is typically located near the driver's seat, such as on the floor mat or door frame side, connected to the fuel tank lock via a cable or electronic sensor. This design allows easy operation without bending or exertion. Based on inspections of several models, common failures involve cable aging or jamming. In such cases, avoid forceful pulling; gently pry it open with a screwdriver or contact an authorized dealership. A responsive switch during refueling indicates normal operation; sluggish response may signal internal contamination. For safety, always verify switch functionality before operating at gas stations.

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