Defensive driving means "always expect the unexpected." The first step in driving defensively is to wear the seat belt. See Seat Belts.
Anticipate what they might do and be ready.
Distracted Driving
Drunk DrivingSecondary Air Injection System Description Engine Control
The Secondary Air Injection System aids in the reduction of hydrocarbon exhaust emissionsduring a cold start. This occurs when the start-up engine coolant temperature (ECT)is between −10 to +56°C (14–133°F), the intake air temperature (IAT) is greater than−10°C (14°F) and it has been more ...