Toyota 2013 Rav4 Owner's Manual page 213

248
4-5. Using the driving support systems
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Temporary cancelation of the LDA system
If any of the following occurs, the LDA system will be temporarily canceled.
The function will resume after the necessary operating conditions have
returned.
●
The vehicle speed deviates from the operating range of the LDA system.
●
The turn signal lever is operated.
●
When the lane lines cannot be recognized while driving.
●
When the lane departure warning function is activated.
The lane departure warning function will not operate again for a several sec-
onds after it has been activated, even if the vehicle leaves the lane again.
■
The lane departure warning
It may be difficult to hear the sensory warning depending on the road condi-
tions.
■
After the vehicle has been parked in the sun
The LDA system may not be available and the LDA indicator comes on in yel-
low for a while after driving has started.
When the temperature in the cabin decreases and the temperature around
the camera sensor (→P. 245) becomes suitable for its operation, the func-
tions will begin to operate.
■
Conditions in which the function may not operate correctly
In the following conditions, the LDA system may not operate, or it may not be
possible to ensure adequate performance. Also, the camera sensor may be
unable to recognize lane markers causing the lane departure warning func-
tion to operate incorrectly. However, this does not indicate a malfunction.
●
When driving through an area with no lane markers, such as a tollbooth, a
crossing or before a ticket checkpoint
●
When driving on a sharp curve
●
When lane markers are extremely narrow or extremely wide
●
When the vehicle leans to one side an unusual amount due to a heavy load
or improper tire inflation pressure
●
When the following distance between your vehicle and the vehicle ahead is
extremely short
●
When the lane markers are yellow (these may be more difficult for the sys-
tem to recognize compared to white markers.)
●
When the lane markers are broken, "Botts' dots", "Raised pavement marker"
or stones
●
When the lane markers are on a curb etc.
●
When lane markers are obscured or partially obscured by sand, dirt, etc.
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