2010 Toyota Land Cruiser Owners Manual - Page 240
2010 Toyota Land Cruiser Manual
Page 240 highlights
2-4. Using other driving systems Pre-Collision System∗ The system detects emergency braking from the speed and force with which the driver presses the brake pedal, and quickly tightens the seat belt to improve the effectiveness of the seat belt pretensioners (→P. 74). This system also operates in the same manner when the vehicle slips sideways.