A seat belt should be used when an injured person is being transported. When this is necessary, you should consult a physician for recommendations.
Pregnant women
One person per belt: Lane Keeping System – Troubleshooting
Lane Keeping System – Information Messages
Lane Keeping System – Frequently Asked Questions
...
: Load Carrying Precautions
Keep your loaded vehicle weight
within its design rating capability,
with or without a trailer. Properly
loading your vehicle provides
maximum return of vehicle design
performance. Before you load your
vehicle, become familiar with the
following terms for determining
your vehicle’s weight ...