The Peugeot 107 manual indicates that the coolant should The Peugeot 107 manual indicates that the coolant should be added by removing the pressurised metal cap. The diagram clearly points to the pressurised cap. HOWEVER, there is another filler just in front of the battery which is labelled 'coolant' on the flip type cover. Right type of coolant for my 107 » Peugeot 107 forum Mar 31, 2009The level of my 107 (year 2006) is going a bit down and I should top it up. The instruction manual says the right coolant to use is PR9735Y5 (Brand: Total?). The original coolant contained in the radiator is orange coloured.