2010 Lexus HS 250h Owners Manual - Page 542
2010 Lexus HS 250h Manual
Page 542 highlights
5-2. Steps to take in an emergency 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 emergency if power control unit coolant is unavailable. (→P. 552) Have the vehicle inspected at the nearest Lexus dealer as soon as possible. n Overheating 5 The following symptoms may occur when your vehicle is overheating: When trouble arises l The high engine coolant temperature warning light comes on or flashes, or the hybrid system output decreases. l Steam comes out from the engine area. l "HYBRID SYSTEM OVERHEAT" is displayed on the multi-information display. 543
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 |
 |
5
When trouble arises
543
5-2. Steps to take in an emergency
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. 552)
Have the vehicle inspected at the nearest Lexus dealer as soon as possi-
ble.
n
Overheating
The following symptoms may occur when your vehicle is overheating:
l
The high engine coolant temperature warning light comes on or flashes, or the
hybrid system output decreases.
l
Steam comes out from the engine area.
l
“HYBRID SYSTEM OVERHEAT” is displayed on the multi-information display.