Adjust the angle of the rearview mirror when you are sitting in the correct driving position.
Honda Civic Owners Manual. LKAS Conditions and Limitations
The system may not detect lane markings and therefore may not keep the
vehicle in
the middle of a lane under certain conditions, including the following:
Environmental conditions
Driving in bad weather (rain, fog, snow, etc.).
Sudden changes between light and dark, such as an e ...