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Home >> Scion >> 2009 >> tC Automatic >> Repair and Diagnosis >> Electrical >> Body Electrical >> OEM System Circuits >> Cruise Control >> System Outline >> Accel Control

Accel Control

When the + RES SW is held down during cruise control driving, the engine control module adjusts the throttle valve to gradually accelerate the vehicle. Every time the + RES SW is tapped momentarily, the vehicle speed is accelerated by approximately 1.6 km/h. However, in the case of tap-up operation which puts a difference of more than a 5 km/h between the set speed and the actual vehicle speed, the device does not change the set speed. (Tap-up operation is not available.)