Lexus LS460 2011 Owner's Manual page 780

5-2. Steps to take in an emergency
STEP 5
Have the vehicle inspected at the nearest authorized Lexus
dealer or repairer, or another duly qualified and equipped profes-
sional, as soon as possible.

Overheating
The following symptoms may occur when your vehicle is overheating:

The engine coolant temperature gauge enters the red zone or a loss of
power is experienced.

Steam is coming from the engine area.
LS460_EE
Add engine coolant if neces-
sary.
Water can be used in an
emergency if engine coolant
is unavailable. ( P. 753 )
5
743