To set vehicle to vehicle distance:

This function allows you to program the vehicle to maintain a relative distance to the vehicle ahead without depressing the accelerator pedal or brake pedal.
The vehicle to vehicle distance will automatically activate when the smart cruise control system is on. Select the appropriate distance according to road conditions and vehicle speed.
Each time the button is pressed, the vehicle to vehicle distance changes as follows:

For example, if you drive at 90 km/h (56 mph), the distance maintained is as follows:
Distance 4 - approximately 52.5 m (172 ft)
Distance 3 - approximately 40 m (131 ft)
Distance 2 - approximately 32.5 m (107 ft)
Distance 1 - approximately 25 m (82ft)
✽ NOTICE
The distance is set to the last set distance when the system was used after starting the engine.
When the lane ahead is clear :

The vehicle speed will maintain the set speed.
WARNING - Following Distance
When there is a vehicle ahead of you in your lane :

CAUTION

If the vehicle ahead (vehicle speed: less than 30 km/h (20 mph) disappears to the next lane, the warning chime will sound and a message will appear. Adjust your vehicle speed for vehicles or objects that can suddenly appear in front of you by depressing the brake pedal according to the road and driving conditions ahead.
Press the CRUISE button. (the CRUISE indicator in the instrument cluster will go off). When the Smart Cruise Control System is not needed, press the [CRUISE] switch and deactivate the system.
The sensor detects the distance to the vehicle ahead. If the sensor is covered with dirt or other foreign matter, the vehicle to vehicle distance control may not operate correctly.
The wheels on your vehicle were aligned and balanced carefully at the factory to give you the longest tire life and best overall performance. In most cases, you will not need to have your wheels aligned again. However, if you notice unusual tire wear or your vehicle pulling one way or the other, the alignment may need to be reset.
Dimensions Engine Bulb wattage Tires and wheels CAUTION When replacing tires, use the same size originally supplied with the vehicle. Using tires of a different size can damage the related parts or make them work irregularly. ✽ NOTICE It is permissible to add 21 kPa (3 psi) to the standard tire pressure specificatio