No they don't. Multiple studies have concluded that overall effect is close to zero. Studies conducted by the NHTSA and info from IIHS have both come to same conclusion.
you are going to crash the car of it will roll away
The breaks are unsafe and will crash down a hill
By using techniques to lessen the severity of the crash, the driver has the most control over the potential physical injuries to themselves and other occupants in the vehicle. Implementing safety measures such as wearing seat belts, avoiding distractions, and driving at safe speeds can greatly reduce the impact of a crash on the occupants.
This grossly unsafe. If you have just the booster fail the brakes will still work but not well. If the brakes fail completely you could crash and die.
excellent and antilock brakes ,all wheel drive, traction control, stop from 60 mph in 108 fee, received an overall crash rating of four out of five stars, the C-Class received top marks, including a "good" rating for frontal-offset, side impact and roof-strength tests.
They absorb energy to reduce injuries.
About 94%
They are real helpful in case of a car crash.
you'll find that you run people over and crash into things
If the brakes are jammed in the STOP position, the airplane will slow and eventually stop and have to land/crash/ditch. If they are jammed in the normal position, the airplane can still fly.
Apart from other functions, it stops you being speared by the steering wheel or being propelled through the vehicle window. Your chances of survival when belted are greatly enhanced, compared with your chances when thrown from a vehicle travelling at speed and then unexpectedly crash-landing on a road.
Of course you do, and if they crash into you and get hurt it's all their fault!