Any person performing the position while under the influence of marijuana or any other illegal drug may constitute a threat to health or safety or in which a lapse of attention could result in injury, illness, or death, including without limitation a position that includes the operating, repairing, maintaining, or monitoring of heavy equipment, machinery, aircraft, motorized watercraft, or motor vehicles or handling of hazardous materials and/or waste as part of the job duties. The role of the Service Advisor ensures that customers are greeted openly and friendly; coordinates customer repair requests; estimates cost of repairs within set guidelines; assists Service Manager with clerical duties, such as documentation required for warranty, policy settlements, repair order filing and repair preparation for warranty.