A readily available alternative for the Toyota specified HOAT ethylene glycol coolant without nitrites, amine, borate, silicates?.........I am confused and frustrated trying to find a product in the UK! Thank you
Consult a Dealer / Garage - Personally I buy off the shelf the Red coloured type!!
Halfords coolant, 5 quid for 5 litres and you need two of them!
I recently bought this, its compatible
(http://i1044.photobucket.com/albums/b442/delhusband/Mobile%20Uploads/IMG_20170603_160629_zpst8gvasvi.jpg)