Park the vehicle on a level surface and turn off the engine
Open the hood and secure it with the prop rod or hood support
Locate the windshield washer fluid reservoir
Check the fluid level in the reservoir
Remove the reservoir cap
Drain the old fluid if needed
Refill the reservoir with the correct windshield washer fluid
Avoid overfilling the reservoir
Replace the cap securely
Close the hood
Test the windshield washer system by spraying the fluid onto the windshield
Check for leaks or poor spray performance