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 overviewStowage compartment in the front passenger footwell
Fig. 99 In the front passenger footwell:
stowage compartment for high-visibility waistcoat
First read and observe the introductory information
and safety warnings
Opening and closing the high-visibility waistcoat stowage compartment
To open, grip the handle (arrow) and pull the cover out of ...
Refrigerant Circuit
A/C System Repair Information
An A/C system made for refrigerant R12 must not be filled
with refrigerant R134a without making modifications to the
refrigerant circuit. Refer to
→ Chapter „Refrigerant Circuit, Converting R12 to R134a and
Ser ...
Refrigerant in A/C Service station Container, Filling
Caution
If it is suspected that chemicals were added to the
refrigerant circuit to seal leaks, do not connect the
A/C service station and do not extract the refrigerant.
...