Hard to change auto gear and sound from rear on 2007 Suzuki Grand Vitara

We are thinking of buying a 2nd hand vitara. When test drive, the auto gear is hard to pull/push from park to drive. Not sure if its due to low gear oil or going to spoil gear. There is also sound from the rear while driving. Sounds like some item rolling around but found nothing in boot. The hazard light keeps blinking even though doors are closed, hazard lights off (all the time). Please advise.

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1 answer
TAKE IT TO AAMCO FOR FREE DIAG AND EST TO BE SURE