Toyota 4Runner - Diluting Washer Fluid; Do Not Use any Fluid Other than Washer Fluid

513
4-3. Do-it-yourself maintenance
4
Maintenance and care
4RUNNER_U
NOTICE
n Do not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle’s painted surfaces.
n Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the washer fluid tank.