If a school bus driver is caught in strong winds while driving, what does the AAMVA manual direct the driver to do?

AAMVA CDL Manual, Section 10.7.2 (Driving in High Winds), p. 10-11

Having a specific, memorized response, firm grip, slow down or pull over, call dispatch, means a driver doesn't have to improvise a safety decision mid-gust. This sequence is also the kind of concrete, testable procedure that shows up directly on the knowledge test.