2019 Prius Prime User Manual

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394

PRIUS PRIME_OM_OM47D13U_(U)

5-5. Using the driving support systems

■ Operation conditions of each function

● Lane departure alert function

This function operates when all of the following conditions are met.

• LDA is turned on.

• Vehicle speed is approximately 32 mph (50 km/h) or more.

• System recognizes white (yellow) lines.

• Width of traffic lane is approximately 9.8 ft. (3 m) or more.

• Turn signal lever is not operated.

• Vehicle is driven on a straight road or around a gentle curve with a radius

of more than approximately 492 ft. (150 m).

• No system malfunctions are detected. (P. 397)

● Steering control function

This function operates when all of the following conditions are met in addi-

tion to the operation conditions for the lane departure alert function.

• Setting for (“LDA Steering Assist Mode”) in the screen of

the multi-information display is set to “On”. (P. 239)

• Vehicle is not accelerated or decelerated by a certain amount or more.

• Steering wheel is not operated with a steering force level suitable for

changing lanes.

• ABS, VSC, TRAC and PCS are not operating.

• TRAC or VSC is not turned off.

● Vehicle sway warning function