Why isn’t my car’s heater working?

As the weather gets colder, those who own older models will be asking the question ‘Why isn’t my car’s heater working?’. We have the answers.It’s starting to get colder around Australia as we enter the depths of winter. The last thing you want when you jump into your car is a non-working heater.RELATED: What to do when your car overheats
RELATED: Mechanics reveal the biggest red flags on carsFundamentally, all internal combustion engine cars run a similar heater sys