Optima, Magentis (Canadian), Sedona & Sorento
WARNING: This page does not describe the selected car, but rather 173 other vehicles, including the 2003 Volvo XC90, 2003 Volvo XC70, 2003 Volvo V70, 2003 Volvo V40, and 2003 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
SRS is equipped with a back-up power source to assure deployment of air bags if battery voltage is lost in an accident. Back-up power is available for approximately 150 milliseconds.
Turn ignition switch to LOCK position. Disconnect negative battery cable. WAIT at least 30 SECONDS or more before servicing vehicle. To activate SRS, ensure ignition key switch is in LOCK position. Connect negative battery cable. Perform SYSTEM OPERATION CHECK .