Lexus GS450h Owner's Manual page 538

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7-2. Steps to take in an emergency

The coolant level is satisfactory if it is between the "FULL"/"F" and "LOW"/

"L" lines on the reservoir.

Add coolant if necessary.

Water can be used in an emergency if power control unit coolant is unavailable.

Start the hybrid system and check for the multi-information display.

If the message does not disappear:

Stop the hybrid system and contact any authorized Lexus retailer or Lexus autho-

rized repairer, or any reliable repairer.

If the message is not displayed:

Have the vehicle inspected at the nearest any authorized Lexus retailer or Lexus

authorized repairer, or any reliable repairer.

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