Not bad.

Satisfied

Highly satisfied, received a free upgrade to a larger model. The car was very new, spacious, and had CarPlay.

Good value upgrade offered. Whole process vgood

Like: I like the fact that you kept your promise and reduced my rental cost when prices dropped. I liked the car and customer advisors efficiency.
Dislike: I would have like to hand the car back to your representative instead of dropping the key in a box. This removes any doubt about condition of it in return. Sat nav should be given as standard.