Perform routine service on vehicles such as washing, cleaning, fueling, checking, and adding oil, hydraulic fluid, and water as needed, checking instruments, mirrors, brakes, steering, and signals, maintaining tire pressure, and draining air tanks. If you indicated in the previous question, you do currently possess a valid Commercial Drivers License (CDL), please indicate in the space below if hold a Class A or a Class B, the state of issue and the expiration date.