I got 3 issue to ask u guys

1. when i reverse the car down the hill i accidentally choose to P mode and the car suddenlly like bumping up and down. After that i drove the car as normally with no problem. Anything i should check because afraid later car got problem.

2. Driver window got gluk gluk sound when press up n down, anybody have same issue.

3. Lastly when i acceleration increase the speed i got sound like "nyaring" sonorous, is that normal?

Thank you for d info..so i guess need to inform SA regarding this window issue right?