2009 Lexus LS 600h Owners Manual - Page 638
2009 Lexus LS 600h Manual
Page 638 highlights
5-2. Steps to take in an emergency STEP 4 STEP 5 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. STEP 6 Add power control unit coolant if necessary. Water can be used in an emergency if power control unit coolant is unavailable. (→P. 651) Have the vehicle inspected at your nearest Lexus dealer as soon as possible. n Overheating The following symptoms may occur when your vehicle is overheating: l Hybrid system output decreases. l Steam is coming from the engine area. 642
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 |
 |
642
5-2. Steps to take in an emergency
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.
Add power control unit coolant if
necessary.
Water can be used in an emer-
gency if power control unit coolant
is unavailable. (
→
P. 651)
Have the vehicle inspected at your nearest Lexus dealer as soon as possi-
ble.
STEP
4
STEP
5
STEP
6
n
Overheating
The following symptoms may occur when your vehicle is overheating:
l
Hybrid system output decreases.
l
Steam is coming from the engine area.