telephone numbers one stored is going out of memmory after switching of the engine

I have purchase the car on 26th july. Now I have driven 2000 km. The Pros reg the car are It is good in its external appearance,inside space, Driving comfortability, good head lamps. The cons are No permanent day light running even for SX(O) No cool glove box (Both are provided in I 20 active. No automatic folding rear view mirrors. The major issue is regarding the blue tooth connectivity and telephone number storing incapability. The Memory of the car loses when it is switched off. Even though the automatic updation option is provided it is not functioning well. I have complained this to the dealer by 10 th of august NO FEED BACK. The back side bumber containts 2 attachments with slits on either side causes the dirt to leak to back side.This can be avoided if the bumber is casted monolithically. The wipers feel much thick. The Milage indicator as well as distance to empty indicator are the minimum features to be incorporated in this type of vehicle. They are not included. instead Digital speed indicator, service indicator are provided.

good appearancetelephone contacts are to be updated in each vehicle start. No memmory