please use only Caltex or Aisin brand coolant. your vehicle coolant capacity is approx 4.3 liter. drain 100%. Then pour 2 bottles of coolant (1 liter concentrate) and top up distilled water. top up reservoir tank with distilled water. make sure to remove trapped air by inserting a long funnel at radiator neck. at least 2 cycle of automatic fan be waited to burp air from system.