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When trouble arises
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5-2. Steps to take in an emergency
LX570_U (OM60D99U)
■ Resetting the tire pressure warning data
After adjusting the tire inflation pressure, be sure to initialize the data. (P. 5 89 )
If the message remains on, the system may have malfunctioned. Have the vehicle
inspected by your Lexus dealer as soon as possible.
■ Warning messages in the cruise control mode
In the following instances, there is a possibility that the approach warning will not
illuminate even when vehicle-to-vehicle distance is closing.
● When the speed of the vehicle ahead matches or exceeds your vehicle’s speed.
● When the vehicle ahead is traveling at an extremely slow speed.
● Immediately after the cruise control speed has been set.
● At the instant the accelerator is applied.
■ Engine oil maintenance message
The warning message is based on the projected driving range after engine oil main-
tenance message is reset.
The system does not monitor the purity of the engine oil.
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