2012 Lexus LS 460 Owners Manual - Page 756

5-2. Steps to take in an emergency If your vehicle overheats If your engine overheats: STEP 1 STEP 2 STEP 3 STEP 4 Stop the vehicle in a safe place and turn off the air conditioning system. Check to see if steam is coming out from the engine area. If you see steam: Stop the engine. Carefully lift the hood after the steam subsides and then restart the engine. If you do not see steam: Leave the engine running and carefully lift the hood. Check if the cooling fan is operating. If the fans are operating: Wait until the temperature of the engine (shown on the instrument cluster) begins to fall and then stop the engine. If the fans are not operating: Stop the engine immediately and call your local Lexus dealer. After the engine has cooled down, check the engine coolant level and inspect the cooling system for leaks. If the engine compartment cover needs to be removed: →P. 666 762