A clean windscreen is essential to ensure good visibility and therefore safe driving. Yet many drivers overlook the importance of the screenwash and wait for the tank to be empty before they worry about it. Filling in is a simple task, but it requires some precautions to avoid errors and optimize the efficiency of the liquid.
In this article, we will see why it is essential to fill your screenwash properly, where the tank is located in your car, how to choose the right product and finally, how to correctly fill.
Why is it essential to fill your screewash properly ?
It plays a crucial role in road safety by ensuring clear visibility. It removes crushed insects, dust, pollution and other dirt from the windscreen.
Neglecting the filling can result in reduced visibility, increasing the risk of accidents. In addition, an empty tank can cause damage to the spray system, such as clogging nozzles or rendering windscreen wipers ineffective.
Where to put it in his car ?
To complete, follow these steps :
- Locate the tank : Open your vehicle’s hood and locate the tank, usually identified by a water jet symbol on a windshield.
- Check the level : Before a long trip, it is prudent to check the level to avoid any shortage along the way.
- Precautions : Make sure you do not confuse the washer tank with the coolant tank. An incorrect filling could cause the vehicle to malfunction.
Which screenwash to choose ?
The choice of screenwash depends on weather conditions and your specific needs. The main options are :
The conventional screenwash is a ready-to-use solution that’s easy to use. Available in summer version, designed to eliminate insects and dust, and in winter version, enriched with antifreeze agents to prevent liquid freezing. Its main advantage is its practicality : it is sufficient to pour the product directly into the tank without preparation. However, packaging in large cans can be cumbersome.
The screenwash concentrate is sold in a compact format and needs to be mixed with water before use. Contrary to a common belief, it is not only a single base to be diluted according to the season : it exists in versions that anti-insect, rain repellent and de-icing, each formulated to meet specific climatic conditions. This type of screenwash is more economical and easier to store, while offering an efficiency comparable to ready-made solutions.
How to fill your screenwash properly ?
Proper filling ensures the system is functioning properly and prolongs the life of the liquid. The following steps are to be taken :
- Open the hood : Locate the tank.
- Check the condition of the remaining liquid : Make sure it is free of dirt or deposits.
- Use a funnel : This will prevent overfilling during filling.
- Pouring the screenwash : If you are using a ready-to-use product, pour it directly. For a concentrate screenwash, dilute as recommended by the manufacturer before pouring.
- Do not exceed the maximum level : Avoid filling beyond the mark on the tank.
- Close the cap carefully : This prevents evaporation or contamination of the liquid.
Differences between conventional and concentrate screenwash
| Criterion | Conventional screenwash | Concentrate screenwash |
| Ready to use | Yes, it is used directly | No, it must be mixed with water before use |
| Economic | Less, because you have to buy one can per refill | Plus, a small bottle can prepare several liters of screenwash |
| Storage and transport | Bulky, takes up space | Compact format, easy to store and transport. |
| Seasonal adaptability | Available in anti-insect, rain repellent and de-icing version | Also available in anti-insect, rain repellent and de-icing versions. Dilution does not change its properties. |
Tips to optimize windshield maintenance
- Regular check : Check the level frequently, especially before a long trip.
- Cleaning wiper blades : Wipe them regularly to prevent dirt build-up and ensure optimum performance.
- Suitable use : Choose one that is appropriate for the season to avoid deposits and frost on the windscreen.
- Control the spray nozzles : Make sure they are working properly and that they are spraying evenly on the windscreen.
In conclusion, filling your vehicle’s screenwash properly is an essential step to ensure your safety on the road. In addition to maintaining optimal visibility, filling the projector properly preserves the proper functioning of the projection system and avoids costly repairs.
Whether you’re looking for a ready-to-use screenwash or concentrate, it’s important to choose the right product for your needs and climate conditions.
Also, do not forget to perform regular checks to extend the life of your washing system. Safe driving also requires small attentions like this !




