Drive assist apparatus
A drive assist apparatus for a vehicle is configured to issue a primary warning when a predetermined target present around the ego vehicle enters an assist area set around the ego vehicle, issue a secondary warning when a direction indicator of the ego vehicle is operated while the primary warning is being issued, and change the content of the secondary warning depending on whether or not the ego lane and the adjacent lane in the direction indicated by the direction indicator are in traffic congestion.
1 . A drive assist apparatus for a vehicle, the drive assist apparatus being configured to
issue a primary warning when a predetermined target present around the vehicle enters an assist area set around the vehicle,
issue a secondary warning when a direction indicator of the vehicle is operated while the primary warning is being issued, and
change content of the secondary warning depending on whether or not an ego lane and an adjacent lane in a direction indicated by the direction indicator are in traffic congestion.
2 . The drive assist apparatus according to claim 1 , wherein the drive assist apparatus is configured to decrease a warning level of the secondary warning when the ego lane and the adjacent lane in the direction indicated by the direction indicator are in traffic congestion in comparison with a warning level of the secondary warning that is issued when the ego lane and the adjacent lane in the direction indicated by the direction indicator are not in traffic congestion.
3 . The drive assist apparatus according to claim 2 , wherein the secondary warning that is issued when the ego lane and the adjacent lane in the direction indicated by the direction indicator are in traffic congestion is a warning having a higher warning level than a warning level of the primary warning.
4 . The drive assist apparatus according to claim 1 , wherein the drive assist apparatus is configured to
issue a warning similar to the primary warning as the secondary warning when the ego lane and the adjacent lane in the direction indicated by the direction indicator are in traffic congestion, and
issue a warning having a higher warning level than a warning level of the primary warning as the secondary warning when the ego lane and the adjacent lane in the direction indicated by the direction indicator are not in traffic congestion.