Answer: a low level of purchase involvement
Explanation:
A low-involvement purchase simply means a decision making process that's abridged. In such situations, the buyer hardly does any information gathering, and he or she makes a simple and straightforward decision.
Since when Emma noticed that she was almost out of gas, she pulled into the nearest gas station and filled up her tank. Emma's decision here is straightforward as she doesn't analyse other alternatives. Therefore, it's a low level of purchase involvement.
