I need make car payment which western union

What in the world are you talking about?
Western Union is the best way for your money to disappear and never be seen again.
Tell us the STORY of this car payment.

I would say that you never make a car payment with western union.

Western union is the most often used payment method for scams.

Western Union allows you to send money to people. If you need to make a car payment and you can't do it in person, then buy a postal money order and send it that way.