A professional who coordinates activities of workers in one or more service departments of automobile accessories sales-service establishment. Responsibilities include:

• Directs activities of workers, such as tire repairer and brake repairer.
• Assists sales personnel in adjusting customers' service complaints.
• Hires, transfers, and discharges workers.
• Directs activities of workers engaged in testing new equipment and recommends purchase or rejection of equipment.
• Determines work standards and evaluates workers' performance.
• May handle claims regarding defective factory work quality.
• May determine need and cost of automobile repair (automobile-repair-service estimator).