NOTICE
Adding cool coolant to a hot hybrid system too quickly can cause damage to the hybrid
system.
■ To prevent damage to the cooling system
Observe the following precautions:
● Avoid contaminating the coolant with foreign matter (such as sand, dust, etc.).
● Do not use coolant additives.
"Tyre Set Switching Incomplete Retry Tyre Set Registration See Own-
er's Manual"
Cause
Remedy
The wheel set change
could not be completed.
Check which wheel set is installed and perform the
change procedure again from the beginning.
Related Links
Selecting wheel set(P. 633)
"Maintenance Reqd. For Traction Battery At Your Dealer"
Remedy
The hybrid battery (traction battery) is scheduled to be inspected or replaced.
Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer immediately.
● Continuing to drive the vehicle without having the hybrid battery (traction
battery) inspected will cause the hybrid system not to start.
● If the hybrid system does not start, contact any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer immediately.
"Headlight System Malfunction Visit Your Dealer"
Cause
Remedy
The system may be
malfunctioning.
Have the vehicle checked by any authorized Lexus retailer
or Lexus authorized repairer, or any reliable repairer.
9-2. If a warning light illuminates/flashes or a warning message is displayed on the meter
673
9
When trouble arises
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