Steps you can take include having an independent business valuation prepared and contracting a professional advisor.
The Lincoln Town Car Executive Series L has an impressive collection of rear-seat luxury features.
It's important to check four areas of each vehicle: under the hood, under the vehicle, the exterior and the interior. In case of emergency, make sure each vehicle carries items such a jumper cables and a first-aid kit.
If you're still chauffeuring, you may be neglecting overall customer service and missing marketing opportunities.