Lexus 2015 RX350 Owner's Manual page 800

5-2. Steps to take in an emergency
STEP 5
Start the engine and turn the air conditioning system on to check
STEP 6
that the radiator cooling fans operate and to check for coolant
leaks from the radiator or hoses.
The fans operate when the air conditioning system is turned on immedi-
ately after a cold start. Confirm that the fans are operating by checking
the fan sound and air flow. If it is difficult to check these, turn the air con-
ditioning system on and off repeatedly.
(The fans may not operate in freezing temperatures.)
If the fans are not operating:
STEP 7
Stop the engine immediately and contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Lexus dealer.
CAUTION
To prevent an accident or injury when inspecting under the hood of your vehicle
■
If steam is seen coming from under the hood, do not open the hood until the
●
steam has subsided. The engine compartment may be very hot, causing serious
injuries such as burns.
Keep hands and clothing (especially a tie, a scarf or a muffler) away from the fans
●
and belts. Failure to do so may cause the hands or clothing to be caught, resulting
in serious injury.
Do not loosen the radiator cap while the engine and radiator are hot.
●
Serious injury, such as burns, may result from hot coolant and steam released
under pressure.
800
Add coolant if necessary.
(  P. 671)
Water can be used in an emer-
gency if coolant is unavailable.
I n f o r ma t i o n P r o v i d e d b y :