Final answer:
People's reactions to GM's self-driving car model, the Magnet, will vary from being appalled to curious and interested.
Step-by-step explanation:
When people see GM's self-driving car model, the Magnet, for the first time in a parking lot, their reactions will likely vary. Some may be appalled, like Bill's parents, while others may be curious and interested, like strangers who give him a thumbs-up on the highway or stop him in parking lots to chat about his car. Overall, the reactions will probably be a mix of positive and negative, as people have different opinions and attitudes towards new technology.