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• Part 2 of 3: How to fill the washer fluid reservoir
• Part 3 of 3: How to choose a washer fluid and prepare to add it to the reservoir

1 Locate the washer fluid reservoir under the hood. It can be located in different places depending on the make of the car, its model and year of manufacture. Typically, the reservoir is attached to the edge of the engine compartment, often near the windshield and engine shield.

• The washer reservoir is often marked with a windshield with wipers (called wipers).
• If you are unable to locate the washer fluid reservoir, refer to your vehicle's owner's manual.

2 Pay attention to the low and full level markings on the side of the tank. In most cases, windshield washer tanks are made of translucent plastic and are marked with marks indicating the degree of its filling. Make sure the level is really low before adding fluid to the reservoir.

• If the reservoir is full, but no water is supplied to the windshield, this may be due to the clogged washer nozzles.
• If the machine warns you about a low washer fluid level, but in fact the reservoir is full, the problem may be a breakdown of the sensor that monitors the fluid level.

3 Unscrew the tank cap and set it aside. Turn the washer reservoir cap counterclockwise and remove. Set it aside somewhere safe. Never place it on the ground or in some other dirty place so that no debris can accidentally get into the washer fluid when you replace the cover.

• Dirt and debris in the washer reservoir can clog the nozzles that spray the liquid onto the glass.
• Make sure the tank cap is not damaged. If the cover cannot be screwed back on properly, it should be replaced.

Part 2 of 3: How to fill the washer fluid reservoir

1. 1 Add fluid to the reservoir up to the upper mark. Use a funnel or a special spout on a container of liquid to fill the washer into the tank up to the full mark. Wipe up any splashes with paper towels or a rag.
   • The liquid will be visible through the sides of the tank so you know when it is full.
2. 2 Do not overfill the washer fluid reservoir. Since the windscreen washer fluid can expand when heated, it is important not to overfill the reservoir. When the fluid heats up due to the high engine temperature under the hood, the pressure build-up in the overfilled reservoir can cause it to crack and leak.
   • Use a syringe to pump excess fluid out of the reservoir if you've poured too much.
3. 3 Put the tank cap back in place. When the washer reservoir is full, remove the cap from where you put it. Wipe it down with a rag or paper towels to make sure no dirt or debris stuck on it.
   • Turn the cap clockwise to lock onto the reservoir.
   • If the cover is damaged, you can buy a replacement at an auto parts store.
4. 4 Start the car and check the operation of the washer nozzles. Get behind the wheel and insert the ignition key into the car. Start the engine and spray the windshield washer fluid as usual to make sure the windshield washer system is working properly.
   • In most cases, liquid spraying is activated by pressing the wiper control lever either towards you or away from you.
   • If you are not sure how to activate the washer fluid spraying in your vehicle, refer to your owner's manual.

Part 3 of 3: How to choose a washer fluid and prepare to add it to the reservoir

1. 1 Select the correct type of windscreen washer fluid. For the washer system to work effectively, do not fill it with plain water. The special windscreen washer fluid does not leave any drips, and in the case of the winter version of the fluid, it also does not freeze at low temperatures.If the weather conditions are such that the temperature often drops below zero, it is necessary to use the winter version of the glass washer fluid.
   • Winter fluid can help remove a thin layer of ice from the windshield, which often forms in the cold off-season mornings.
   • Some liquids also contain chemicals that repel water from the glass surface, which improves visibility in rain.
2. 2 If you are using a windscreen washer concentrate, dilute it properly with water. The concentrated washer fluid will need to be diluted with water before adding to the reservoir. Like antifreeze, windscreen washer concentrate is usually diluted one to one with water.
   • A one-to-one ratio means you will be using equal amounts of water and concentrate.
   • However, be sure to follow the specific instructions on the concentrate bottle.
3. 3 Park your car on level ground. To accurately determine the level of fluid remaining in the washer reservoir and to know how much to add to it, it is important to ensure that the reservoir is level. To do this, park the car on a level, horizontal area.
   • Parking on a slope (for example, on a hillside) will make it difficult to accurately determine the amount of fluid remaining.
4. 4 Open the hood. To open the bonnet, locate the bonnet release lever under the dashboard next to the driver's door. It is often marked with an image of a car with an open hood. Pull the lever towards you to release the hood latches. Then get out of the car and open the front hood lid safety hook.
   • To open the safety hook, press the lever located at the front under the hood or behind the grille.
   • If you are unsure where the lever is, refer to your vehicle's owner's manual.