I figure it's been a while since any wacky warning labels have been posted, so why shouldn't I post a few?
Label on bottle of Windshield Washer Fluid:
This product can not be made non-poisonous.
Found on packaging of an Automobile Windshield Cover:
Never Drive With The Cover On Your Windshield!
Printed on package of Batteries:
Do Not recharge, put in backwards, or use
Found on wrapper of Breath Mints:
Not for weight control.
On sign posted at Railroad Station:
Beware! Do Not Touch!
Touching Wires May Cause Sudden Death!
Anyone Found Doing So Will Be Prosecuted!
Printed on tag attached to a Hammer:
Caution: Do Not Use This Tool to Strike Any Solid Object.