The short answer? Yes. Absolutely. It can be tempting to settle for plain water in your windscreen washer system or to attempt to make your own with household detergent or alcohol but whilst you will make cost savings in the short term and its effects are kinder to the environment, the risks involved to your vehicle in the long term just aren't worth the short term savings. Here are the top reasons you should be sticking the screenwash in your system:
Ask the average motorist and it’s likely they will know how and where to check their oil and coolant level but ask about transmission fluid and they might not be so savvy.