From ARVambulance.com:
2020 Ford F550 4×4/ARV Type I custom ambulance
Congratulations to Lake Forest Fire Department on the purchase of your 2020 Type I Ford Custom Ambulance. Thank you for choosing to work with American Response Vehicles and our Staff. This Custom AEV ambulance hosts a series of custom features designed not only to provide a higher level of patient care, but provider safety.
thanks Keith