1. Open the hood of your vehicle.
2. Locate the windshield washer fluid reservoir. It is usually a translucent plastic container located near the front of the engine compartment.
3. Unscrew the cap of the fluid reservoir.
4. Carefully pour the window washer fluid into the reservoir until it is about 1 inch below the brim.
5. Replace the cap and close the hood.
Now, the rear window washer should be filled and ready to use.
