Final answer:
On-vehicle notes are used to communicate the status of vehicle repairs and maintenance to customers, making the statement true. They help in maintaining transparency and building trust with the customer, enabling them to make informed decisions.
Step-by-step explanation:
On-vehicle notes are indeed used to communicate work progress to the customer, meaning the statement is true. These notes serve as an important channel for maintaining transparency between the service provider and the customer. Not only do they inform customers about the status of their vehicle's repair or maintenance, but they also document any issues, tasks completed, and any additional service recommendations that the technician might have. On-vehicle notes strengthen customer trust and facilitate better communication, enabling customers to make informed decisions regarding their vehicle's servicing.