Panic Mode Inoperative
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2000 GMC Yukon XL, 2000 GMC Yukon, 2000 GMC Sierra, 2000 Chevrolet Tahoe, and 2000 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
- If diagnostic system check was performed, go to next step. If diagnostic system check was not performed, see DIAGNOSTIC SYSTEM CHECK under DIAGNOSTIC TESTS.
- If any of the instant alarm functions operate, go to next step. If none of the functions operate, see KEYLESS ENTRY SYSTEM INOPERATIVE .
- If horn sounds, go to next step. If horn does not sound, see appropriate STEERING COLUMN SWITCHES article.
- Check exterior lighting. See EXTERIOR LIGHTS article.