CATASTROPHIC ELECTRICAL FAILURE - SMOKE IN CABIN While driving with passengers, dashboard displayed "ELECTRICAL FAILURE - PULL OVER WHEN SAFE" followed by loud explosive POP and cabin filled with SMOKE. ROOT CAUSE: Prior undisclosed collision damage. Dealer (Morrie's Golden Valley Cadillac) removed front bumper in June 2025 (Repair Order #78683), then sold vehicle as "no accidents" in August 2025. Subsequent inspection revealed cut wiring and improper repairs (Invoice #94609). CURRENT STATUS: Vehicle inoperable 3+ months. Audi corporate technicians have repaired major problem however vehicle still has charging issues that happened right before the catastrophic failure unable to repair. SAFETY CONCERN: Smoke-filled cabin endangered occupants. Potential fire hazard.