In this chapter you will find information on the following subjects:
⇒ Warning light and engine coolant temperature gauge
⇒ Warning light and engine coolant temperature gauge⇒ Engine coolant specifications
⇒ Checking engine coolant level and topping offNever do any work on the coolant system unless you
!If you are uncertain in any way, have the work done by an authorized Volkswagen dealer or an authorized Volkswagen Service Facility.
Serious personal injury may result from improperly performed work.
More information:

Warning

Coolant and coolant additives can pollute the environment. Collect leaking operating fluids and dispose of them properly in accordance with applicable environmental laws and regulations.
Applicable only in the United States
Engine coolant
Warning light and engine coolant temperature gaugeVolkswagen Tiguan Service and Repair Manual > A/C System, General Information: A/C Technology Basic Principles
Physical Principles
The four known states of water also apply to air conditioning system
refrigerants.
gaseous (invisible)
vapor
fluid
solid
When water is heated in a vessel (heat absorption), water vapor can be seen
to rise. If the vapor is further heated through heat absorption, the visib ...