Steering wheel and engine light problems

I bought a brand new sazuki Ertiga in 2021 the car has warranty I took it back several times still the same problem steering wheel stiffsometimes don't move forward and light of engine comes on I am so hopeless and annoyed cause this car is under warranty and has been giving me endless problems I am tired they must give me another vehicle or change the entire computer box not on I'm paying alott of money feel like I'm driving a secondhand car really