2008 Toyota 4Runner Owners Manual - Page 529

07 12.25 Installation of a mobile two −way radio system As the installation of a mobile two−way radio system in your vehicle could affect electronic systems such as follows, be sure to check with your Toyota dealer for precautionary measures or special instructions regarding installation. D Multiport fuel injection fuel injection system D SRS airbag system D Seat belt pretensioner system D Traction control system (two−wheel drive models) D Active traction control system (four −wheel drive models) D "AUTO LSD" system (two−wheel drive models) D Vehicle stability control system D Downhill assist control system (four −wheel drive models) D Hill −start assist control system D Rear height control air suspension system/sequential multiport D Tire pressure warning system D Cruise control system D Anti −lock brake system D Electronic throttle control system Tires and loading on your Toyota Underinflated or overinflated tire pressure and the excess load may result in the deterioration of steering ability and braking ability, leading to an accident. Check the tire inflation pressure periodically and be sure to keep the load limits given in this Owner's Manual. For details about tire inflation pressure and load limits, see pages 441 and 364. vi