| Before starting down a grade | |
| Before exiting a curve | |
| Before starting up a grade | |
| Before entering a curve |
| Headlights, signal lights, clearance lights | |
| Fuel tank, tire pressure, couplings | |
| Brakes, air lines, brake lights | |
| Cab interior, tire tread, brake lights |
| Expect a lower tire failure rate if you have recapped tires | |
| Continue driving if your tires are too hot to touch | |
| Inspect your tires more often | |
| All of these |