To avoid fatigue while driving, you should rest...

A)every 3 hours or every 400 kilometres.
B)when the driver finds that they have completely lost the ability to react.
C)every 2 hours or every 200 kilometres.Correct
The most important rules to avoid having an accident due to drowsiness or fatigue are:
- If we feel tired or sleepy while driving, the most advisable thing is to stop and rest in a suitable place and sleep for about 20 or 30 minutes.
- Rest for 20 to 30 minutes every 2 hours or every 200 kilometres at most.
- Always be alert to the signs and symptoms of drowsiness or fatigue.