I got really bored so I decided to start a thread on dumb warning labels. Post them here.

Tesco Fruit Juice Carton
On bottom side: "Keep Upright".

Demazin Infant Drops
This formula may cause drowsiness, if affected do not operate heavy machinery or drive a vehicle.

Boot's Childrens Cough Medicine
Do not drive a car or run machinery.

Nytol Sleep Aid
Warning: May cause drowsiness