Jeep 2009 Wrangler - Owner Manual - Manual (Page 101)

CAUTION!
In cold weather, always turn off the wiper switch and
allow the wipers to return to the park position before
turning off the engine. If the wiper switch is left on
and the wipers freeze to the windshield, damage to
the wiper motor may occur when the vehicle is
restarted.
High/Low Speed
1 — Low-Speed Operation
2 — High-Speed Operation
3
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 99