Lexus IS300H 2017 Manual page 331

Likely cause
 The estimated course lines move even though the steering wheel is straight
There is a malfunction in the signals being
output by the steering sensor.
 Guide lines are not displayed
The trunk lid is open.
 The estimated course lines are not displayed
• The steering wheel has been moved
while the battery was being reinstalled.
• Battery power is low.
• The steering sensor has been rein-
stalled.
• There is a malfunction in the signals
being output by the steering sensor.
4-5. Using the driving support systems
Have the vehicle inspected by any autho-
rized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
Close the trunk lid.
If this does not resolve the symptom, have
the vehicle inspected by any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
Stop the vehicle, and turn the steering
wheel as far as it will go to the left and
right.
If this does not resolve the symptom, have
the vehicle inspected by any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
Solution
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