How to Top Up Washer Fluid
The easiest car maintenance task - learn how to top up your windscreen washer fluid in just 3 minutes.
The Easiest Maintenance Task
Topping up washer fluid is the simplest car maintenance job. No tools needed, can't go wrong, and takes just minutes! Keep your windscreen clean and your vision clear.
What You'll Need
- Screenwash concentrate or ready-mixed washer fluid - £3-5
- Water (if using concentrate) - tap water is fine
Step-by-Step Instructions
1. Locate the Washer Fluid Cap
Open your bonnet and look for the washer fluid reservoir cap. It usually has a windscreen/water symbol on it and is often blue or white.
Tip: It's usually at the front of the engine bay and is quite large (holds 3-5 litres).
2. Open the Cap
Simply unscrew or pull off the cap. No tools needed - it's designed to be opened by hand.
3. Pour in the Washer Fluid
Pour the screenwash into the reservoir. If using concentrate, follow the bottle instructions for mixing ratio (usually 1 part screenwash to 4 parts water).
Fill until the reservoir is nearly full - you can see the level through the plastic bottle.
4. Replace the Cap and Test
Screw the cap back on. Start your car and test the washers - they should spray properly now!
Winter vs Summer Screenwash
| Type | Best For | Key Features |
|---|---|---|
| Winter | Below 0°C | Contains antifreeze, won't freeze, good to -10°C or lower |
| Summer | Above 0°C | Better at removing bugs and grime, more economical |
⚠️ Never Use Just Water
Plain water doesn't clean effectively and can freeze in winter, damaging your washer system. Always use proper screenwash - it's cheap and makes a huge difference to visibility.
Track All Your Maintenance
Log washer fluid top-ups and all car maintenance in AutoChain. Get reminders for important services and keep a complete digital service history.