2009 BMW M3 Owner's Manual - Page 45

accident. On the front passenger seat as well, do not incline the backrest too far to the rear while the vehicle is being driven, otherwise there is a danger in the event of an accident of sliding under the safety belt, eliminating the protection normally provided by the belt.< Comply with the instructions on head restraint height on page 44, and on damaged safety belts on page 48. 4 Backrest Manual adjustment Observe the adjustment instructions above to ensure the best possible personal protection.< The head restraints are adjusted manually, refer to Head restraints below. Lumbar support* Thigh support Pull the lever and move the thigh support forward or back. Electrical adjustment Observe the adjustment instructions on page 42 to ensure the best possible personal protection.< The upper hips and spinal column receive supplementary support to help you maintain a relaxed, upright sitting position. > Increase or decrease curvature: press the switch at the front or rear, respectively. > Shift curvature up or down: press the switch at the top or bottom, respectively. 1 2 3 Longitudinal direction Height Angle 43 Online Edition for Part no. 01 41 2 600 999 - © 08/08 BMW AG Reference Mobility Communications Entertainment You can also adjust the contour of the backrest to obtain additional support in the lumbar region. Navigation Driving tips Controls At a glance