Castrol GTX...Change it along with filter (guard) at max 2500Kms. any other non synthetic oil would require the same
Transmission oil (change it at 30k and then at 60k). Only go for Liqui Moli
Brake Oil (40K Kms) Only go for DOT 3 Liqui Moli
Flush Radiator after every 10K Kms. Use Liqui Moli or Caltex Coolant (Best Air Conditioning Results)
Brakes should be serviced after every 10k-15k kms depending where you drive
Cant do nothing about steering...learn to like it
Replace spark plugs and air filter at 10K kms for best fuel consumption. Clean Spark plugs at 5k and then 7.5K...replace them at 10K
Do replace fuel Filter (Genuine) at 40K Kms for best fuel consumption
Cultus requires a lot of maintenance if you want fuel economy. All above have been tried and tested and results have been satisfactory.