Possible Cause
NOTE:
- The system may not operate normally under the following conditions:
- An object placed on the dashboard is reflected in the windshield and picked up by the camera.
- Heavy luggage is loaded in the luggage compartment or on the rear seat and the vehicle is tilted.
- The tire pressures are not adjusted to the specified pressure.
- Tires other than standard tires are equipped.
- The vehicle is driven on the ramp and surrounding area to or from a rest area or a tollgate on a highway.
- When surrounding brightness suddenly changes such as when entering or exiting a tunnel.
- The illumination of the headlights is weakened because of dirt or the optical axis is deviated.
- The windshield is dirty or foggy.
- The windshield and camera are fogged (water droplets).
- Strong light is directed at the front of the vehicle (such as backlight or high-beam headlights of on-coming vehicles).
- The vehicle is making a sharp turn.
- Strong light reflects off the road.
- A traffic sign is in a position which makes it difficult to reflect the light from the vehicle's headlights, such as when the vehicle is driven at night or in a tunnel.
- The vehicle is driven under weather conditions such as rain, fog, or snow.
- The stored map data for the navigation system is not current.
- A traffic sign is obscured by mud or snow.
- A traffic sign is concealed by trees or a vehicle.
- A traffic sign is partially shaded.
- A traffic sign is bent or warped.
- A traffic sign is too low or too high.
- A traffic sign is too bright or too dark (including electronic traffic signs).
- A traffic sign is too big or too small.
- There is an object similar to the traffic sign being read (such as another traffic sign or other signs resembling it).
- Connectivity master unit (CMU) malfunction
- Active driving display malfunction