Wiper and Washer Systems: Testing and Inspection

0101IN Windscreen Washer/headlight Cleaning System: Check Operation, Nozzle Settings

Windscreen washer/headlight cleaning system: Check operation, nozzle settings

ATTENTION
Surface of headlights can be damaged if not cleaned correctly.
- Use only soapy water to clean the exterior lights and the plastic headlight lenses.
- Never use chemical cleaning agents.
- To avoid scratches, do not rub with dry or only damp cloths, paper towels or insect-removal sponges.

NOTE:
- The headlight washer nozzles are pre-set.
- Generally, it is not necessary to adjust them.
- The spray nozzles for the windscreen washer system are not adjustable.
- Sharp objects (needles) must not be inserted in the nozzle holes.
- Check function, fluid levels and nozzle settings. If the settings of the spray nozzles for the windscreen washer system are not okay, they must be replaced.

Mix ratio of fluids for windscreen washer system
Fluid Mix ratio
Water Undiluted
Water/isopropanol 1 : 1
2 : 1
3 : 1
Water/ethanol 1 : 1
2 : 1
3 : 1

Checking wiper blades
Check the wiper blades for any deformities and tears.
1. Turn on the ignition, operate the spray nozzles and check the quality of the wipers.