If a crash looks probable, your priorities in the next one to three seconds are: brake hard, steer toward the safest escape path, and position your body to let your vehicle’s safety systems protect you. The average driver takes about one second to begin braking after recognizing an unexpected obstacle, so every fraction of a second you save by reacting decisively matters. Here’s what to do, broken down by the situation you’re facing.
Brake First, Brake Hard
Braking in your lane is generally the safest first response to an imminent collision. Research from NHTSA confirms that drivers almost never steer alone to avoid a surprise obstacle. Instead, they either brake or brake and steer together. At speeds below 25 mph, braking alone is often enough to avoid or significantly reduce the severity of a crash.
If your vehicle has anti-lock brakes (ABS), which virtually all cars built after 2012 do, press the brake pedal to the floor as hard as you can and hold it there. The system will pulse the brakes automatically to prevent wheel lockup, and you’ll feel a rapid vibration through the pedal. That’s normal. Don’t let up.
If your vehicle does not have ABS, you need a technique called threshold braking. Squeeze the pedal firmly (don’t jab it), feel the car’s weight shift forward, then squeeze a bit more until you’re braking as hard as possible without the wheels locking. If you feel a wheel start to skid, ease off slightly and reapply. Think of it as finding the edge of maximum grip rather than stomping the pedal.
When Steering Is Better Than Braking
Above 25 mph, steering around a hazard can be more effective than braking into it. Your body’s reaction time for a steering input is actually faster than for braking, which means you can begin changing direction sooner than you can begin stopping. This matters when you’re closing on an obstacle quickly and don’t have the distance to stop in time.
The key rule: steer right, not left. Veering left puts you into oncoming traffic, which can turn a minor collision into a fatal head-on crash. Steering right toward the shoulder, a grassy median, or even a ditch is almost always the safer choice, even if it means minor damage to your vehicle. Your goal is survival, not protecting the car.
In practice, most drivers end up doing both: braking and steering at the same time. That’s fine, and it’s actually what safety engineers expect. Just be aware that hard braking reduces your tires’ available grip for turning, so if you’re going to swerve, ease off the brake slightly as you steer to keep the tires from sliding.
Look Where You Want to Go
Your hands follow your eyes. This is one of the most important and least intuitive things about emergency driving. When a crash looks likely, your natural instinct is to stare at the thing you’re about to hit. This is called target fixation, and it tends to steer you straight into the hazard.
Instead, look at the gap, the shoulder, or the escape route you want to take. Drivers naturally direct their gaze about one to two seconds ahead of the vehicle along their intended path, and your steering follows that gaze almost automatically. In an emergency, deliberately shifting your eyes to where you want the car to go can make the difference between a near-miss and a collision.
If a Rear-End Hit Is Coming
If you check your mirror and see a vehicle closing fast behind you with no sign of slowing, you have a narrow window to reduce your chance of whiplash. Lean your head back until it touches the head restraint and look straight ahead. The restraint can only protect your neck if your head is already close to it. If you’re leaning to one side or hunched forward when the impact comes, the restraint does almost nothing.
For everyday driving, your head restraint should be adjusted so the top reaches at least as high as the top of your ears, ideally the top of your head. It should sit no more than three to four inches behind your head. Many people drive with their restraint too low or too far back, which dramatically reduces its effectiveness. Adjusting it properly before you ever need it is one of the simplest safety steps you can take.
How to Position Your Body Before Impact
When a crash becomes unavoidable and you’ve done everything you can to brake or steer, the final step is letting your car’s safety systems do their job. Place both hands flat on the steering wheel at the nine and three o’clock positions. Press your head back against the headrest. Keep your feet flat rather than jamming your knees under the dashboard.
Here’s the counterintuitive part: don’t tense up your arms and legs. Locking your elbows and bracing against the steering wheel or dashboard concentrates crash forces on your wrists, elbows, and shoulders. NHTSA data shows that most serious upper-extremity injuries happen when occupants push against an inflating airbag or the dashboard. Tensing your core muscles can help stabilize your spine, but that benefit disappears if your arms are rigid and your knees are jammed forward.
The best approach in those final moments: exhale, keep your knees slightly bent, let the headrest support your skull, and trust your seatbelt and airbag to absorb the energy. The restraint systems in modern vehicles are engineered to work with a body that moves with the forces rather than one that fights against them.
What Your Car May Do Automatically
Many vehicles sold since 2018 include automatic emergency braking (AEB), and NHTSA has finalized rules requiring it on all new light vehicles. These systems use cameras or radar to detect an imminent collision and apply the brakes if you don’t respond in time. AEB is designed as a last resort, activating when a crash is seconds away and no driver input has been detected.
If AEB activates, you don’t need to fight it. You can and should add your own brake pressure on top of it. If you choose to steer instead, most manufacturers allow the system to disengage or reduce braking so you can maneuver. But NHTSA’s own research found that braking in your lane is generally safer than a steering-only maneuver, particularly in urban environments where swerving could send you into pedestrians, cyclists, or other vehicles.
Your vehicle may also give you a forward collision warning before AEB kicks in. This typically comes as a beeping sound, a flashing light on the dashboard, or a vibration in the seat or steering wheel. That warning is your cue to act. The system is telling you a collision is likely within about one second. Don’t wait to see if the car brakes for you. Press the brake immediately.
Putting It All Together
The sequence in a probable crash comes down to a few seconds of decisions:
- Eyes up: Look at your escape route, not the obstacle.
- Brake hard: Stomp the pedal if you have ABS. Squeeze firmly if you don’t.
- Steer right if needed: At higher speeds, steering toward the shoulder or a soft surface beats braking into a solid object.
- Prepare for impact: Hands at nine and three, head against the restraint, knees bent, core engaged but arms relaxed.
- Exhale: A relaxed body absorbs crash forces better than a rigid one.
None of this comes naturally under panic. The reason driver education programs emphasize these steps is that rehearsing them mentally makes you more likely to execute them when you have less than two seconds to act. Even reading through this once puts you ahead of a driver who has never considered what to do in that critical window before a crash.