When the outside temperature is low, the display in the instrument cluster may take slightly longer to appear than it does when the outside temperatures is higher.
Additional information and warnings:

WARNING
Instruments
Instrument overviewDeclaration of conformity
First read and observe the introductory information
and safety warningsThe individual manufacturer declares herewith that the
following products conform, at the time of vehicle production, with the basic requirements
and other relevant laws and regulations, including FCC Part 15.19, FCC Part 1 ...
Warning lamp and coolant temperature display
Fig. 138 Coolant temperature display in
instrument cluster: Ⓐ cold; Ⓑ normal; Ⓒ warning
First read and observe the introductory information
and safety warningsA display for the coolant temperature may be, depending
on the vehicle equipment, located in instrument cluster. In normal driv ...
Driving in a fuel-efficient manner
Fig. 118 Fuel consumption in litres per
100 km at two different outside temperatures
First read and observe the introductory information
and safety warnings By adopting an economical driving style
and anticipating the traffic situation ahead, you can easily reduce fuel consumption
by 10- ...