Installation of a mobile two-way radio system The installation of a mobile two-way radio system in your vehicle could affect electronic systems such as: Hybrid system Multiport fuel injection system/sequential multiport fuel injection system Toyota Safety Sense 4.0 Anti-lock brake system SRS airbag system Seat belt pretensioner system Be sure to check with your Toyota dealer for precautionary measures or special instructions regarding installation of a mobile two-way radio system. High voltage parts and cables on the Hybrid Electric Vehicles emit approximately the same amount of electromagnetic waves as the conventional gasoline powered vehicles or home electronic appliances despite of their electromagnetic shielding.