Driving in **heat** poses a **clear risk to road safety** for several reasons:

- **Sleepiness and fatigue**: Heat can make you feel more tired and drowsy, increasing the likelihood of distractions and mistakes at the wheel.
- **Reaction time**: In hot conditions, you may need more time to react to unforeseen situations, which can be dangerous.
- **Aggressiveness**: Heat can increase aggressiveness towards other drivers, which can lead to dangerous behaviors on the road.

To mitigate these risks, it is important to take certain **precautions**:

- **Air conditioning**: Use air conditioning to maintain a comfortable temperature between 20 and 23 degrees inside the vehicle. This helps keep you alert and comfortable.
- **Frequent breaks**: Make more stops during the trip to rest and refresh yourself.
- **Hydration**: Drink plenty of water or juices to stay hydrated.
- **Appropriate clothing**: Wear light, loose-fitting, and light-colored clothing to be more comfortable.

In summary, heat at the wheel can negatively affect your driving ability, so it is crucial to take measures to minimize its effects and ensure road safety.