BMW F90 LCI Reference Manual page 29

F90￿LCI￿Complete￿Vehicle.
6.￿Driver￿Assistance￿Systems.
Step￿4:
The￿request￿to￿change￿lane￿is￿then￿displayed￿when￿the￿vehicle￿is￿alongside￿the￿gap:
Request￿for￿lane￿change￿in￿Assisted￿Driving￿View
If￿the￿gap￿is￿large￿"Activate￿lane￿change.￿Observe￿traffic"￿is￿displayed￿(Lane￿Change￿Assistant).￿If￿the
gap￿is￿smaller￿"Perform￿lane￿change￿manually"￿is￿displayed￿(manual￿lane￿change).
Step￿5:
Depending￿on￿the￿situation,￿the￿driver￿can￿also￿receive￿additional￿information￿in￿the￿form￿of￿a￿haptic
feedback￿signal￿from￿the￿steering￿wheel￿immediately￿after￿the￿text￿message￿is￿displayed.
Steps￿1-5￿are￿repeated￿until￿the￿vehicle￿is￿in￿the￿exit￿lane.￿In￿addition￿to￿highway￿exits,￿the￿function￿also
responds￿to￿highway￿junctions￿and￿driving￿lanes￿coming￿to￿an￿end.
6.5.3.￿Functional￿prerequisites
So￿the￿function￿can￿also￿do￿what￿it￿is￿supposed￿to￿do,￿the￿following￿prerequisites￿must￿be￿met:
• The￿vehicle￿is￿on￿a￿highway.
• The￿vehicle￿is￿traveling￿at￿least￿37￿mph.
• The￿Cruise￿Control￿with￿Stop&Go￿function￿is￿active.
• The￿steering￿and￿lane￿control￿assistant￿is￿active.
• The￿Lane￿Change￿Assistant￿is￿activated.
• The￿route￿progress￿control￿system￿is￿activated.
If￿one￿of￿these￿prerequisites￿has￿not￿been￿met,￿the￿function￿cannot￿be￿performed.
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