Toyota Hill Assist Control - Safety Feature
Residents of Jakarta has memorized correctly with 'special' Friday night. Great jam everywhere. On streets, cars snaking, creeping, despair. The difficulty increases if you have to jam on the ramp, flyover eg. Especially the manual transmission car. As the car about to move back, it will definitely sagging.
As it is known as the car manual should start, clutch pedal is pressed the left foot to release the engine-gearbox connection. At the time the engine brake so lost. The only thing holding is brake only. When your right leg should be moved to the gas pedal, the brake is lost. At this point no things is holding the car. It is inevitably sagging car. Along with that, usually the feet of experienced drivers have started to release the clutch pedal pressure so that the engine power began to flow. Plus the gas pedal pressure to make cars that sagging can move forward.
For novice drivers, or who are not familiar with the manual transmission, the above conditions tend to create panic because the car seemed to be uncontrollable. If you really panicked, the car could have ended up in a car behind the front bumper. Especially when the car is used SUV or pickup double cabin heavy. Cars like this is more difficult to accelerate the ramp.
Such a situation would not come if the car also featured with Hill-start Assist Control (HAC)
HAC serves to prevent the car sliding backwards when starting on a hill. So while on the climb and gear lever in forward position, so when the foot pedal from the brake pedal switch, the system automatically hold the car so as not to resign. given time about 5 seconds. Its enough time to move the foot from the brake to the gas pedal. After that, the car is not to take it anymore. So the driver can run the car more relaxed. When active HAC, brake lights lit for car, so the driver behind still be aware.
The secret behind this technology is to design a new wheel speed sensor which is now using Magnetic Resistance Element (MRE) that can detect when the wheels began to revolve slowly until almost silent. Magnetic Inductive Sensor advantages over commonly used can only spin the wheel to accurately measure the slow 5km / h. Another advantage MRE can know the direction of wheel rotation.
Toyota is one of the first brand to apply this technology are in the Toyota 4-Runner in the first half decade of 2000. Since then this feature is used in several models including the Lexus GX. In Indonesia, only in the premium SUV, the Toyota Land Cruiser and Toyota's Crown luxury sedan.