Hill Start Assist
WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
The hill start assist allows the driver to launch his vehicle without a roll back while he is moving his foot from the brake pedal to the accelerator pedal. The EBCM calculates the brake pressure, which is needed to hold the vehicle on an incline and locks that pressure for a certain time by commanding the appropriate solenoid valves ON and OFF when the brake pedal is released. Hill start assist is activated when the EBCM determines that the driver wishes to move his vehicle up-hill, either backwards or forwards.
The following inputs are used for hill start assist feature:
- Brake switch
- Brake pressure
- Longitudinal acceleration
- Engine torque
- Reverse gear information
- Clutch switch
- Accelerator pedal position
- Vehicle speed