Final answer:
When experiencing a blowout while traveling at high speed, it is important to grip the steering wheel firmly to keep the car from swerving. Braking firmly should be avoided.
Step-by-step explanation:
If you have a blowout while traveling at high speed, you should grip the steering wheel firmly to keep the car from swerving. Braking firmly as soon as you notice the blowout is not recommended, as it can cause the car to lose control. It is important to maintain control of the vehicle and gradually reduce speed by easing off the accelerator.