When towing a trailer large enough to obstruct your inside rearview mirror, you are required to:

If you are towing a trailer that is large enough to obstruct your view of the road through your inside rearview mirror, you must have outside rearview mirrors of proper size installed on your vehicle. These rearview mirrors should be added to both sides of the vehicle.

• Have an outside rearview mirror installed on the driver’s side of your vehicle.
• Have an outside rearview mirror installed on the side of your vehicle opposite the driver.
• Have outside rearview mirrors installed on both sides of your vehicle.
• Have a person in the vehicle to clear you for right turns.