Download When performing service around Supplemental Inflatable Restraint (SIR) system components or wiring, the SIR system must be disabled. Failure to do so could result in possible air bag deployment, personal injury, or unneeded SIR system repairs. Catera Disconnect the negative battery cable. 1. Remove the steering wheel. 2. Remove the inflatable restraint steering wheel module coil. 3. Insert a small pointed awl or wire into the ignition lock cylinder release pinhole. 4. Pull out the ignition lock cylinder. 5.Fig. Insert a pointed tool into the release pin hole To install: Install the lock cylinder. Look into the hole that receives the lock cylinder on the lower RH side in order to locate the locking lever. 1. Carefully push down on the locking lever using a small flat-bladed tool until an audible click is heard. 2. Place the lock cylinder into the empty hole. 3. 6. Install the inflatable restraint steering wheel module coil. Install the steering wheel. 7. Deville, Fleetwood, Eldorado and Seville Disable the SIR system as follows: Disconnect the negative battery cable. 1. Turn the ignition switch OFF . 2. Remove the SIR fuse. On 1990 Deville and Fleetwood, remove SIR fuse No. 3 from the fuse panel. On 1991-93 Deville and Fleetwood, remove SIR fuse No. 18 from the fuse panel. On 1990-91 Eldorado and Seville, remove SIR fuse No. 19 from the fuse panel. On 1992-93 Eldorado and Seville, remove SIR fuse No. All from the engine compartment fuse panel. 3. On Deville and Fleetwood, remove the left lower sound insulator. On Eldorado and Seville, remove the left side sound insulator. 4. Remove the Connector Position Assurance (CPA) and detach the yellow 2-way connector at the base of the steering column.
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