Here's what I would try...
I would try using the Z6 Enhancer in a small area to see if it removes the spots.
If it works, then simply Z6 the entire car.
If it doesn't work I'd give Sal Zaino a call (732-833-8800) or email ([email protected]).
You can also try Carl Voellm - http://www.hcvind.com/ - [email protected] - 215-938-0991. He's my local distributor and he has a wealth of car care/Zaino knowledge.
PS: Dawn will remove old wax, but not Zaino. Check with Sal or Carl for the best way to proceed.
1992 NSX Red/Blk 5 spd #0330
1991 NSX Blk/Blk Auto #3070 (Sold)
1974 Vette 454 4 spd Wht/Blk
Looking for 76-79 Honda Accords