* To check & adjust angle between windshield wiper arm and windshield .
* Fixed adjustment tool at the front of the wiper arm, adjusting angle with open-ended
wrench 24mm to suitable angle.
* Using range ± 20°
* Suitable specification of arm LHD & RHD viehicle, driver's side 1.5 DEGREES +/- 3 DEGREES
LHD & RHD vehicle passenger's side : 1.7 DEGREES +/- 3 DEGREE