Let me add a couple more pints:
- on a light colour, like my silver car, it is quite difficult to see how much PGP you apply, and you tend to apply too much!
I thought that my pad was "empty", but I passed it over the glass and ... there is PGP! So, be careful
- for the second pass, do it in the opposite direction of the first, so even if you cannot see where you apply it, you may hope to finally have a full coverage
- and three is better than two!
