2013 Lexus ES 350 Owners Manual - Page 786

7-2. Steps to take in an emergency If your vehicle overheats (gasoline vehicles) The following may indicate that your vehicle is overheating. ● The needle of the engine coolant temperature gauge (→P. 93) enters the red zone or a loss of engine power is experienced. (For example, the vehicle speed does not increase.) ● Steam comes out from under the hood. Follow the correction procedure as described below. 1 Stop the vehicle in a safe place and turn off the air conditioning system, and then stop the engine. If you see steam: Carefully lift the hood after the steam subsides. If you do not see steam: Carefully lift the hood. 2 3 After the engine has cooled down sufficiently, inspect the hoses and radiator core (radiator) for any leaks. If a large amount of coolant leaks, immediately contact your Lexus dealer. 7 When trouble arises 4 The coolant level is satisfactory if it is between the "FULL" and "LOW" line on the reservoir. 1 2 3 Reservoir cap "FULL" "LOW" ES350 300h_OM_OM33A01U_(U)