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 overviewIntroduction
This chapter contains information on the following subjects:
→ Preparing for a journey and driving safely
→ Driving abroad
→ Driving through water on roads
Depending on where the vehicle is used, it could be a good idea to have an engine
and transmission guard insta ...
Fiber-Optic Cable, Disconnecting from Wiring Harness Connector
Removing
–
Unplug connector for fiber optic cable from appropriate
control unit.
–
Release the locking mechanism in the fiber-optic cable
connector -1- by pushing on it.
...
Current Draw Test
WARNING
Batteries that have a light yellow visual indicator
do not have to be tested or charged. Jump starting must
not be used!
There is a risk of explosion during testing,
...