Active trace control (if so equipped)

This system senses driving based on the driver’s steering and acceleration/braking patterns, and controls brake pressure at individual wheels to help smooth vehicle response.
When the VDC OFF switch is used to turn off the VDC system, the active trace control system is also turned off.
If the active trace control is not functioning properly, the IBA OFF indicator light illuminates in the instrument panel.
See also:
Ride & Handling
Midsize luxury cars run the gamut from comfortable to rigid; the M is closer
to rigid, though not so much that it's punishing to drive. Despite my test car
having the Sport package — which augment ...
Troubleshooting guide
The system should respond correctly to all voice commands without difficulty. If problems are encountered, try the following solutions.
Where the solutions are listed by number, try each solution i ...
Head restraints (3rd row)
WARNING
Head restraints supplement the other vehicle safety systems. They may provide additional protection against injury in certain rear end collisions. Adjust the head restraints properly, as sp ...
