Correct answer
No, it can scratch the glass and wear the blades.
No. Dry rubbing, especially with dirt, can scratch the glass and wear the blades. Wet the windscreen using the washer and follow the vehicle manual; remove ice or dirt the blades cannot safely clear. Not every dry movement is guaranteed to scratch the glass, but it should be avoided.
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Yes, to polish the glass through dry rubbing.
Yes, especially with heavy dry dirt.
No, it can scratch the glass and wear the blades.
The real exam in English is a translation of the Spanish original; compare both here.
Show the Spanish original
¿Conviene accionar las escobillas del limpiaparabrisas sobre un cristal seco?
- Sí, para pulir el cristal mediante roce en seco.
- Sí, especialmente si hay mucha suciedad seca.
- No, puede rayar el cristal y desgastar las escobillas.(Correct answer)
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