Mazda CX-52017 Owner's Manual page 272

When Driving
i-ACTIVSENSE
How to set the speed
1. Adjust the vehicle speed to the desired setting using the accelerator pedal.
2. Headway control begins when the SET or SET switch is pressed.
The set speed and the inter-vehicle distance display fi lled with white lines is displayed.
The Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go
function) main indicator (white) switches to the Mazda Radar Cruise Control with Stop
& Go function (MRCC with Stop & Go function) set indicator (green) at the same time.
Travel status
During travel at constant speed
During travel under headway control
NOTE
If a vehicle ahead is detected while traveling at a constant speed, the vehicle-ahead
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indication is displayed and headway control is performed. Additionally, when a vehicle
ahead is no longer detected, the vehicle-ahead indication turns off and the system
switches back to travel at constant speed.
The lowest possible speed which can be set on the Mazda Radar Cruise Control with Stop
      
& Go function (MRCC with Stop & Go function) system is 30 km/h (20 mph).
Headway control is not possible if the vehicle ahead is driving faster than your vehicle's
      
set speed. Adjust the system to the desired vehicle speed using the accelerator pedal.
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Multi-information display Active driving display