1.   Besides improving normal reaction times, Nilsson believes that the combined pedal could also make cruise control functions safer.

2.   But Nilsson is worried that drivers using the combined pedal may become accustomed to their improved reaction time and drive more recklessly.

3.   During his evaluation for the SNRA, Nilsson tested how well drivers adapted to the combined pedal.

4.   They took the tests in cars with the combined pedal and with conventional pedals.