Windscreen placement rules differ by state, and getting it wrong is a fine.
Tools required
Tool one, tool two.
Before you start
The warning that saves someone a repair bill.
Step 01 — Australia, state by state
What to do, and what it should look like when it is right.
Step 02 — The UK rules
What to do, and what it should look like when it is right.
Step 03 — The EU position
What to do, and what it should look like when it is right.
If it goes wrong
The two or three most likely mistakes and how to undo them.