LaCrosse V6-3.6L (2007)
is spring loaded to mechanically prevent the ignition key cylinder from being turned to the lock position when the vehicle transmission is not in the
PARK position. If vehicle power is lost, and/or the transmission is not in the PARK position the operator will not be able to turn the ignition key to
the lock position and will not be able to remove the ignition key from the column.
SIR Coil and Module
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For additional information on the operation of the SIR coil and module please refer to SIR System Description and Operation.
Automatic Transmission Shift Lock Actuator
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If the vehicle is equipped with a automatic transmission shift lock actuator, for additional information on it's operation, please refer to Automatic
Shift Lock Control Description and Operation.
Variable Effort Steering Sensor
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If the vehicle is equipped with a variable effort steering (VES) sensor, for additional information on its operation, please refer to Variable Effort
Steering System Description and Operation.
Steering Wheel Angle Sensor or Steering Wheel Position Sensor
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The steering wheel position sensor is located somewhere along the steering shaft assembly. The sensor measures the position of the steering wheel
and the speed at which it is rotated. A signal representing this measurement is provided to the vehicle stability enhancement system (VSES)
module. The VSES module uses this signal, along with several others representing different vehicle conditions, to monitor the driving behavior of
the vehicle and ensure that it stays in control. If the VSES module determines that the vehicle is out of control it provides signals to the powertrain
control module (PCM) and the ABS module. These output signals are used to modulate the transmission torque and brake pressure of each of the
vehicles wheels in order to regain control of the vehicle.
