If you just want air for your tyres then it costs you 20p
The photo above is of the machine and closer look at it shows a pipe sticking out the side. Pressing a button on the pipe will send water coming out of it. This is free but the pipe is fixed so there is no way you can put it in your radiator.
Its the last time I go to Tesco for my air and water when others are supplying it free. Even the screenwash is cheaper to buy and mix with water
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