Most W-2 employees can not deduct car insurance premiums because of the Tax Cuts and Jobs Act of 2017. However, there are some exceptions:
Armed Forces Reservists can deduct unreimbursed travel expenses for reserve duties
Qualified Performing Artists can deduct expenses necessary for their performances
Fee-based State or Local Government Officials can deduct business expenses
Employees with Impairment-related Work Expenses can deduct car insurance premiums if the car is modified or specially equipped for their impairment