No , antifreeze should be mixed with preferably distilled water at a 50 / 50 mix
usually . If you live in a colder climate up to 60 % antifreeze is O.K.
50 percent coolant, 50 percent water
50/50
You will never get it there. However much 50% you have, any amount of 20% in the mix will reduce the total below 50%. So, throw away the 20% and just use the 50% on its own.
99.9% of all car in the world use one or another type of antifreeze.
Be sure that you have adequate antifreeze in your car, the temperature has been dropping sharply.
I need to fill my car's radiator with antifreeze before winter comes.
There are seven different types of antifreeze. What your car takes depends on the year/make/model. It can usually be found in an owner's manual.
Always use antifreeze. Water does not have any water pump lubricants or anti corrosion properties, antifreeze coolant does.
100%
Yes, you can use it on all your automobiles.
You can use any kind of antifreeze as long as it is a 50/50 mixture. Name brands are probably better to use.
Volkswagen or any other vehicle shouldn't use any antifreeze. If any car is using antifreeze something is wrong.