Yes
Affirmative.... or yes...
Don't know, you'll need to call them.
Affirmative.
Yes to undercarriage wash. This car wash will get your vehicle cleaner than any other around. I have tried many others. It is not brushless however the brushes will not scratch or damage your vehicle. I use it nearly every day.
Yes. And if you opt for it they will coat the underside with a salt resistant solution to reduce corrosion
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