2012 Lexus LS 600h Owners Manual - Page 536

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5-2. Steps to take in an emergency

■

If °Hybrid System Overheat± is shown on the multi-information dis-

play

Stop the vehicle in a safe place and turn off the air conditioning

system.

Leave the hybrid system operating and carefully lift the hood.

Check if the cooling fans are operating.

If the fans are operating:

Wait until “Hybrid System Overheat” disappears and then stop

the hybrid system.

If the message does not disappear, call your Lexus dealer.

If the fans are not operating:

Stop the hybrid system immediately and call your local Lexus

dealer.

After the hybrid system has cooled

down, check the power control

unit coolant level and inspect the

cooling system for leaks.

If the engine compartment cover

needs to be removed:

→

P. 441

Add power control unit coolant if

necessary.

Water can be used in an emer-

gency if power control unit coolant

is unavailable. (

→

P. 551)

Have the vehicle inspected at your nearest Lexus dealer as soon as possi-

ble.

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