If you drive at 56 mph (90 km/h), the distance is maintained as follows:

• Distance 4 - approximately 172 ft (52.5 m)

• Distance 3 - approximately 130 ft (40 m)

• Distance 2 - approximately 106 ft (32.5 m)

• Distance 1 - approximately 82 ft (25 m)

The last set distance maintains when the vehicle is restarted, or when Smart Cruise Control was temporarily canceled.