Do it yourself
Frequently asked questions about cars and motorcycles
Car Tutorial (Do it yourself) Motorcycle Tutorial (Do it yourself) Frequently Asked Questions
What to do if I have an emissions control system error in the Citroen C4?
Answer: In case an error appears in the emissions control system, we recommend going to a specialized workshop. Often, it can be a simple error that you can r... read all

Posted on 27-06-2023
Why isn't the touch screen of the Citroen C4 working?
Answer: The most probable reason why the touch screen display is not working is that there is a blown fuse. The fuse that protects the touch screen is located... read all

Posted on 26-06-2023
Where is the fuse for the parking sensor of a Citroen C4 located?
Answer: The fuse for the parking sensors of the Citroen C4 is located inside the fuse box under the steering wheel, behind a protective panel. The fuse in que... read all

Posted on 22-06-2023
How do you reset the Citroën C4 navigator?
Answer: To deactivate the Citroën C4 navigator, you need to turn on the central display and open the map screen. Then, you can select the "Factory settings" o... read all

Posted on 16-06-2023
Why is the Start&Stop of the Citroën C4 not available?
Answer: When the Citroën C4's Start&Stop is not available, it means that the car's battery is not sufficiently charged: the problem could also be due to an er... read all

Posted on 8-06-2023
How do you reset the tire pressure warning light on a 2015 Citroen C4?
Answer: Nothing complicated to do, simply check the tires and make sure there are no punctures or anything else that has reduced the inflation pressure, causi... read all

Posted on 3-06-2023
Why does the AdBlue warning light remain on in the Citroen C4 even after filling up the tank?
Answer: It is quite normal that in the Citroen C4, but also in other cars with a diesel engine, the AdBlue light remains on immediately after filling the tank... read all

Posted on 19-05-2023
What problem does the Citroen C4 air conditioner present?
Answer: Most of the time, problems related to air conditioning are due to leaks, and the issue can be resolved by identifying the faulty part and replacing it... read all

Posted on 19-05-2023
What does the Citroën C4's Urea warning light indicate?
Answer: When the Urea warning light appears on the Citroën C4 instrument panel, it means that the additional liquid in the tank is almost completely depleted:... read all

Posted on 18-05-2023
Why is no air coming out of the vents in the Citroen C4?
Answer: If no air comes out of the air conditioning grilles on the Citroen C4, possible causes are: a very dirty pollen filter, moisture from clogged rain dra... read all

Posted on 15-05-2023
Where is the fuse for the trunk of the C4 located?
Answer: The fuse for the central locking system, which includes the trunk of the Citroen C4, is located inside the fuse box located in the lower left part, un... read all

Posted on 14-05-2023
Why is the radiator fan of the Citroën C4 not working?
Answer: When the radiator fan of the Citroën C4 does not work, it is possible that the fuse that regulates its operation is burnt; the problem could also be d... read all

Posted on 14-05-2023
Why won't the dashboard of the Citroen C4 turn on?
Answer: If the instrument panel of your Citroen C4 first edition (year 2004-2010) does not turn on, it is likely that there is a fault in the car's electrical... read all

Posted on 9-05-2023
What does the STOP warning light indicate in the Citroen C4?
Answer: If the STOP light has come on in the instrument panel of our Citroen C4, it means that a serious malfunction has been detected in the engine and we mu... read all

Posted on 28-04-2023
What does the Citroën C4 Service light indicate?
Answer: The Citroën C4's Service indicator light indicates that the scheduled maintenance period has been reached: to reset the light, you must use the approp... read all

Posted on 14-04-2023
What does the Citroën C4 Service light indicate?
Answer: The Service indicator of the Citroën C4 indicates that the scheduled maintenance period has been reached: the indicator can be reset using the control... read all

Posted on 5-04-2023
Where is the fuel pump fuse located on the Citroen C4?
Answer: The fuel pump fuse of the Citroen C4 is located in the fuse box located inside the engine compartment to the right of the battery. The fuse will be nu... read all

Posted on 5-04-2023
How do you replace the passenger compartment fan on the Citroën C4?
Answer: In order to replace the fan in the passenger compartment of the Citroën C4, you need to loosen the screws that fix the panel and the carpet located un... read all

Posted on 29-03-2023
Where is the washer pump fuse located on Citroen C4?
Answer: The fuse relating to the windscreen washer pump, on Citroen C4, is located in the fuse box located inside the engine compartment, opening the bonnet o... read all

Posted on 26-03-2023
What does it mean when the esp light comes on on Citroen C4?
Answer: If the customer reports this type of fault, the cause may be the brake pedal position sensor. Problems with the cruise control system can also occur, ... read all

Posted on 16-03-2023
How much does a remote control key cost for Citroen C4?
Answer: If the key of your Citroen C4 is damaged, you can easily replace it by buying a neutral key again on an e-commerce site, such as Amazon at the code B0... read all

Posted on 26-02-2023
How much does it cost to replace the AdBlue tank on the Citroën C4 Cactus?
Answer: In order to replace the AdBlue tank of the Citroën C4 Cactus, an expense due to labor and the spare part must be considered: this has a price of aroun... read all

Posted on 21-02-2023
How often to change the oil on the Citroen C4?
Answer: The intervals in which the coupon must be done vary according to the type of engine. Generally speaking, the coupon must be done between 20,000 km and... read all

Posted on 14-02-2023
Where is the Citroën C4 air conditioning fuse located?
Answer: The Citroën C4 air conditioning fuse is located inside the box located at the bottom left of the steering column: the affected fuse is indicated with ... read all

Posted on 7-02-2023
Where is the air conditioning fuse located in the Citroen C4?
Answer: The air conditioning fuse on the Citroen C4 is fuse F14 following the diagram and is located in the fuse box inside the passenger compartment to the b... read all

Posted on 3-02-2023
Why is the Citroen C4 fan not working?
Answer: If the air conditioner fan in your Citroen C4 stops working the possible causes are: faulty fan regulator, fan that has shorted causing the power cabl... read all

Posted on 25-01-2023
How much engine oil is needed for the Citroen C4 HDi 110 HP?
Answer: The required quantity of engine oil for this vehicle is 3.8 litres. The latter must be replaced, according to the manufacturer's instructions given in... read all

Posted on 18-01-2023
Why won't my Citroen C4 start?
Answer: In most cases, when the Citroen C4 does not start it is because the battery is unable to supply enough energy to the starter. So, in this case, the ba... read all

Posted on 15-01-2023
Why does the display in the Citroen C4 no longer work?
Answer: In the event that the Citroen C4 display suddenly stops working, the first thing we can do is check the state of the relative fuse. It, namely the F28... read all

Posted on 13-01-2023
What problems with AdBlue on Citroen C4?
Answer: On this model of car from the French manufacturer, defects have been found with the anti-pollution system and there are reports of the Adblue light tu... read all

Posted on 12-01-2023
What problems can the Citroen C4 have?
Answer: In the version with automatic gearbox, some online newspapers have encountered problems with the electromagnetic valves which have the task of regulat... read all

Posted on 31-12-2022
How are the warning lights on the Citroen C4 identified?
Answer: Generally if the vehicle is equipped with a display, the switching on of a warning light is always accompanied by the display of a supplementary messa... read all

Posted on 27-12-2022
Why does the heating in the Citroen C 4 not work?
Answer: Typically the cabin heating system depends on the induction loop which carries the temperature of the engine block to the cabin heater. If the passeng... read all

Posted on 25-12-2022
What to do if the particulate filter light comes on on Citroen C4?
Answer: The particle filter warning light in the Citroen C4 indicates that this element is faulty or clogged. In the first case it is absolutely necessary to ... read all

Posted on 23-12-2022
Why is the fan in a Citroen C4 not working?
Answer: If the fan in the passenger compartment of your Citroen C4 has stopped working, the most common cause can be attributed to a deterioration of the fuse... read all

Posted on 23-12-2022
How to replace the windshield wiper reservoir on Citroen C4?
Answer: The windshield wiper reservoir in this car is located low in the engine compartment, behind the fender and skid plate. To replace it, it is advisable ... read all

Posted on 22-12-2022
What to do when the air conditioner fan on your Citroen C4 no longer works?
Answer: In the event that we turn on the ventilation of the air conditioner but the fan does not start, the first thing we recommend doing is to check the int... read all

Posted on 17-12-2022
How to remove the AdBlue warning light in Citroen C4?
Answer: In the Citroen C4, the AdBlue liquid warning light behaves exactly like the fuel reserve warning light. Consequently, it will be sufficient to top up ... read all

Posted on 1-12-2022
How do you open the hood in the Citroen C4?
Answer: Opening the bonnet in the Citroen C4 is very simple. First of all, let's open the driver's door so that we can access the opening lever, located in th... read all

Posted on 29-11-2022
What problems does the Citroà «n C4 have?
Answer: The major problems encountered on the Citroà «n C4 mainly concern the versions with four-speed automatic transmission: the main weak point of the AT8 ... read all

Posted on 12-11-2022
What to do if I have problems with the Citroen C4 screen?
Answer: If you have problems with the screen of your Citroen C4 we recommend that you perform a system reset. If this is not enough, we recommend that you go ... read all

Posted on 9-11-2022
What does the service light on a Citroen C4 mean?
Answer: If the service warning light comes on on the instrument panel display of your Citroen C4 car, this indicates that the time has come to have the car se... read all

Posted on 7-11-2022
Why does the air conditioning of the Citroen C4 work partially?
Answer: Let's briefly see the instructions on how to solve the problem of the Citroen C3 dual-zone air conditioner that does not work correctly; we see that a... read all

Posted on 18-10-2022
Why does the interior fan of the Citroen C4 stop working?
Answer: The first element to check is the fuse, to make sure it is not broken and therefore needs to be replaced. If this is not the case, it is necessary to ... read all

Posted on 10-10-2022
What are the most common problems of the Citroen C4 of 2021?
Answer: The most frequent problems of the Citroen C4 are related to the rear suspension, in particular to the springs. In some cars, for which the parent comp... read all

Posted on 10-10-2022
Why does the on-board computer of a Citroen C4 not work?
Answer: If the on-board computer of your Citroen C4 car has stopped working, the problem most likely lies in the damage to the fuse dedicated to it or to the ... read all

Posted on 6-10-2022
How do you reset the Citroà «n C4 Cactus AdBlue warning light?
Answer: In order to reset the Citroà «n C4 Cactus AdBlue warning light, it is necessary to top up it by inserting the additional liquid: the tank containing t... read all

Posted on 5-10-2022

See also

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What does the message "code 55" indicate in the Opel Meriva? Answer: 29-06-2023
Why does the horn of the Dacia Duster no longer work? Answer: 29-06-2023
How does the engine of the Jaguar XF appear? Answer: 29-06-2023
What does it mean when the "Hill Hold Control" system is not available? Answer: 29-06-2023
Where is the EPS fuse located in the Opel Meriva? Answer: 29-06-2023
Where is the fuse box of the Clio 4 located? Answer: 29-06-2023
Where is the fuse box located in the 2011 Nissan Rogue? Answer: 29-06-2023
Why isn't the key for the Renault 4 recognized? Answer: 29-06-2023
Why don't the interior lights in the Toyota RAV4 work? Answer: 29-06-2023
What hypothetical problems arose in the past with the 2007 Range Rover Sport? Answer: 29-06-2023
What does x100 mean? Answer: 29-06-2023
How much engine oil is needed in the Fiat Doblò 1.6 Multijet? Answer: 29-06-2023
Why doesn't the sliding door of the Volkswagen Caddy open? Answer: 29-06-2023
Why does the start and stop function of the Seat Arona not work? Answer: 29-06-2023
Why is the trunk of the Mercedes locked? Answer: 28-06-2023
Where is the AdBlue tank located on the Peugeot 208? Answer: 28-06-2023
Where should the windshield washer fluid be placed in the Dacia Sandero? Answer: 28-06-2023