Dynamic radar cruise control supplements conventional cruise control with a vehicle-to-vehicle distance control. In vehicle-to-vehicle distance control mode, the vehicle automatically accelerates or decelerates in order to maintain a set following distance from vehicles ahead.

Setting the vehicle speed (vehicle-to-vehicle distance control
mode)Initialization
The following items must be initialized for normal system operation
after such cases as the battery being reconnected, or maintenance
being performed on the vehicle:
Item
When to initialize
Power back door*
After reconnecting or changing
the battery
...