Disabling the SIR System

The diagnostic energy reserve module (DERM) can maintain voltage to cause a system deployment for up to ten minutes after the ignition switch is turned off and the battery is disconnected. Servicing the SIR system during this period may result in accidental deployment and personal injury.
1. Turn ignition switch to Off position and disconnect battery ground cable.
2. Remove access cover at rear of steering wheel.
3. Remove connector position assurance (CPA) lock and disconnect yellow two-way SIR harness connector at rear of steering wheel.