Problems with the anti-theft systems using the raised-chip key can prevent the car from starting. The wires in the steering column to the ignition lock cylinder tend to break. The the key and ignition lock cylinder must be replaced to correct this condition.
Car Problem Reports
Pontiac Bonneville Car Won't Start Because of Anti-Theft System That Uses Raised-Chip Key
Pontiac Bonneville Problem
Average Mileage: 181,142 mi (132,000 mi - 259,200 mi)
Visitor, 1995 Pontiac Bonneville, 132,000 mi
Auto won't start with new key. Security system lock out. I need to override it. Dealership wants $300 to check and possibly correct. HELP!
Intermittent problem with security system prohibiting vehicle from engaging starter. Vehicle starts after 2-3 minute wait.