Practical information -> Bonnet and engine layouts for Your DS 4 4 Door Second Generation (2021-2026)

07  
242  
Practical information  
Bonnet  
Opening  
Closing  
F
F
Take the stay out of the support notch.  
Clip the stay in its housing on the back of  
the bonnet.  
Lower the bonnet and release it at the end  
of its travel.  
Pull on the bonnet to check that it is  
secured correctly.  
Before doing anything under the  
bonnet, deactivate the Stop & Start  
system to avoid any risk of injury  
resulting from an automatic change to  
START mode.  
F
F
The cooling fan may start after switching  
off the engine: take care with articles and  
clothing that might be caught by the fan  
blades.  
Do not open the bonnet in high winds.  
When the engine is hot, handle the  
exterior safety catch and the bonnet  
stay with care (risk of burns).  
F
Push the exterior safety catch B to the left  
and raise the bonnet.  
F
Open the front left door.  
Because of the presence of electrical  
equipment under the bonnet, it is  
recommended that exposure to water  
(rain, washing, ...) be limited.  
F
Pull the interior bonnet release lever A,  
located at the bottom of the door aperture.  
The location of the interior bonnet  
release lever prevents opening of  
the bonnet while the front left door is  
closed.  
F
F
Unclip the stay C from its housing on the  
back of the bonnet.  
Fix the stay in the notch to hold the bonnet  
open.  
07  
243  
Practical information  
Petrol engines  
1. Power steering fluid reservoir.  
2. Screenwash and headlamp wash fluid  
reservoir.  
3. Coolant header tank.  
4. Brake fluid reservoir.  
5. Battery / Fuses.  
6. Fusebox.  
7. Remote earth point (-).  
8. Air filter.  
9. Engine oil dipstick.  
10. Engine oil filler cap.  
07  
244  
Practical information  
Diesel engines  
1. Power steering fluid reservoir.  
2. Screenwash and headlamp wash fluid  
reservoir.  
3. Coolant header tank.  
4. Brake fluid reservoir.  
5. Battery / Fuses.  
6. Fusebox.  
7. Remote earth point (-).  
8. Air filter.  
9. Engine oil dipstick.  
10. Engine oil filler cap.  
11. Priming pump*.  
The Diesel fuel system operates under  
high pressure:  
-
Never carry out any work on this  
system yourself.  
-
HDi engines make use of advanced  
technology.  
All maintenance and repairs require  
specially trained staff, which only a  
CITROËN dealer can provide.  
* According to engine.