Safety Precautions When Working On Cooling System
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2017 Audi A5 Quattro, 2016 Audi A5 Quattro, 2015 Audi A5 Quattro, 2014 Audi A5 Quattro, and 2014 Audi A5. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Risk of Scalding Due to Hot Coolant
The cooling system is under pressure when the engine is warm. Risk of scalding due to hot steam and hot coolant.
-- Wear safety gloves.
-- Wear protective eyewear.
-- Reduce the pressure by covering the coolant expansion tank cap with a cloth and carefully opening it.