System Operation Check
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2000 GMC Yukon, 2000 GMC Pickup, 2000 GMC Cab & Chassis, 2000 GMC C3500 HD, and 2000 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
- Close all doors. Press LOCK and UNLOCK buttons on both front doors and rear door (if equipped). All doors should lock and unlock. If system does not perform as described, see SYMPTOM TESTS .
- Open driver door. Open cargo doors. Press any LOCK button. Close cargo doors. Close driver door. All doors should lock approximately 5 seconds after last door is closed. If system does not perform as described, see AUTOMATIC DOOR LOCKS INOPERATIVE, POWER LOCKS OPERATE under SYMPTOM TESTS.
- With luxury system, open driver door. Insert ignition key fully into ignition lock cylinder. Press any door switch LOCK button. Doors should not lock. If system does not perform as described, see POWER DOOR LOCKS INOPERATIVE - LOCK-OUT FEATURE (LUXURY) under SYMPTOM TESTS.