Hi so ive recently purchased a 2014 jaguar xf 2.0t really amazed with the amount of car it is however the auxiliary belt and a tensioner broke and tge car got hot drove it home about 5km the next day i replaced all the rollers and belt but when i switched the ignition on i still see the coolant low warning on did i do something wrong or is something else that needs replacement your advice would be much appreciated thanks