| All of these are correct | |
| Rider signalling devices are operational | |
| Emergency exit handles are secure | |
| All handholds and railings are secure |
| Whenever necessary | |
| Only when passengers are on board | |
| At the end of a shift | |
| When no passengers are on board |
| To have ample time to avoid them | |
| So you can alert other drivers of the hazard | |
| To have accurate information for an accident report | |
| So you can be the first to alert local authorities |