Just cancel your order with the dealer.
Why?
Cars can be delayed for all kinds of reasons and 2 days is nothing.
Much better to ring them tomorrow (or better still go in if it’s fairly local) and have a discussion about what’s happening.
Probably nothing ominous.
2024 - BMW i4 Grand Coupe eDrive 35 Sport
2020 - Volvo XC40 T4 Inscription
2017 - Audi Q3 TFSi Sport S-Tronic