Mazda CX-8 Owner's Manual page 39

When Driving
Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS)
Vehicle lane line display
When the LAS&LDWS becomes operational while on standby, the vehicle lane
lines are displayed in the multi-information display and the active driving display.
Indication on display
System condition
Multi-information display Active driving display
Stand-by status
Operational status
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For details, refer to Section 4, "i-ACTIVSENSE".