It is lawful for your employer to make you use your own vehicle to drive to various locations for your job. You are entitled to be reimbursed all expenses you incur to do your job.Does the Business or Personal Auto Policy Provide Coverage? Let's begin with an unfortunate but typical scenario. Mileage in Personal Vehicle. An employer must pay its employees for travel time between your employer's business and the travel site, in both directions, including overtime. A vehicle allowance is intended to cover all of the costs of using a personal vehicle for business purposes, including maintenance costs. Does your organization employ anyone who travels for work using a personal vehicle? Under Section 2082 in California, employers have essential obligations to fulfill when employees use personal vehicles for work. There's no legal responsibility one way or the other.