What should I pay attention to when carpooling on Sichuan-Tibet line?

Matters needing attention in carpooling on Sichuan-Tibet line:

1. If the car is in poor condition and old, it is not suitable for carpooling

2. If the vehicle displacement is small, it is still not necessary to carpool

3. Because of the great wear on tires and brake pads on Sichuan-Tibet line, it is necessary to agree on the cost of these wearing parts in advance.

4. Due to the complicated road conditions on the Sichuan-Tibet line, vehicles may be damaged, which also need to be agreed in advance.

5. If the drivers of carpooling are poor in skills or have altitude sickness, it is not suitable to carpool.