Toyota Corolla Instruction Manual page 236

236
4-3. Operating the lights and wipers
NOTICE
 When the windshield is dry
Do not use the wipers, as they may damage the windshield.
 When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may over-
heat.
 When a nozzle becomes blocked
In this case, contact any authorized Toyota dealer or repairer, or another
duly qualified and equipped professional.
Do not try to clear it with a pin or other object. The nozzle will be damaged.
Corolla_TMMT_EE (OM12F04E)