Seat belts work for everyone, including pregnant women. Like all occupants, they are more likely to be seriously injured if they do not wear seat belts.

A pregnant woman should wear a lap-shoulder belt, and the lap portion should be worn as low as possible, below the rounding, throughout the pregnancy.
The best way to protect the fetus is to protect the mother. When a seat belt is worn properly, it is more likely that the fetus will not be hurt in a crash. For pregnant women, as for anyone, the key to making seat belts effective is wearing them properly.
Lap-Shoulder Belt
Seat Belt ExtenderTire Rotation Wheels
Tires should be rotated every 12-000 km (7,500-mi). SeeMaintenance Schedule. Tires are rotated to achieve a uniform wear for all tires. The first rotation is themost important. Anytime unusual wear is noticed, rotate the tires as soon as possible, check for propertire inflation pressure, and check ...