OK, I will start the vehicle. Then, put it in reverse and hear a grumbling for about 2 seconds...almost like a buzzer. Finally, I put it in drive and hear the sound again. Someone told me it was the solenoids and Acura's are commonly loud.

Thank you for any help you can offer!

 

its the ABS self check. perfectly normal

 

thats al it is. Its normal

 

Thanks for the reassurance!