Many businesses depend heavily on their fleet of vehicles. In some businesses, such as package or propane delivery, or taxis, the fleet really is the business. In other cases, such as trades like electricians and plumbers, the vehicle is somewhat secondary to the actual job being performed, but no lessimportant. In order for businesses which rely on vehicles to thrive, those vehicles which make up the fleet need to be able to operate safely and properly as close to 100% of the time as possible.