Nissan Altima Owners Manual: LDW system operation
The LDW system operates above approximately 45 MPH (70 km/h).
When the vehicle approaches either the left or the right of the traveling lane, the LDW system will chime a sound and the LDW light on the instrument panel will blink to alert the driver The LDW system is not designed to operate under the following conditions
Lane departure warning light
● When you operate the lane change signal and change traveling lanes in the direction of the signal. (The LDW system will become operable again approximately 2 seconds after the lane change signal is turned off.) ● When the vehicle speed is less than approximately 45 MPH (70 km/h).
Turning on or off the LDW system
The LDW system is turned on or off using the settings menu in the vehicle information display.
The LDW light on the instrument panel will light up.
The LDW light on the instrument panel will go out.
1. Press the button until
“Settings” displays in the vehicle information display. Use the to select “Driver Assistance”.
Then press the ENTER button.
2. Select “Driving Aids”, and press the ENTER button.
3. To set the LDW system to on or off, use
the buttons to navigate in the menu
and use the ENTER button to select or change an item:
● Select “Lane” and press the ENTER button.
● To turn on the warning, use the ENTER button to check box for “Warning (LDW)” The warning systems switch is used to temporarily turn off the warning systems (Lane Departure Warning (LDW) and Blind SpotWarning (BSW) systems) that are activated using the settings menu in the vehicle information display. See “Warning systems switch” in “Instruments and controls.”
● The camera unit may not be able to
detect properly under the following
– On roads where there are multiple parallel lane markers; lane markers that are faded or not painted clearly; yellow painted lane markers; nonstandard lane markers; or lane markers covered with water, dirt, snow, etc.
– On roads where the discontinued lane markers are still detectable.
– On roads where there are sharp curves.
– On roads where there are sharply contrasting objects, such as shadows, snow, water, wheel ruts, seams or lines remaining after road repairs.
(The LDW system could detect these
items as lane markers.)
– On roads where the traveling lane merges or separates.
– When the vehicle’s traveling direction does not align with the lane marker.
– When the road surface is very dark due to weak ambient light or impaired tail lamp.
● When driving on a curved road, warning will be late on the outside of the curve.
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