Can't control acceleration (throttle) and brakes

Please try all of the following, if you have no luck please come back,

Repair your game,
1) Go to My Games in Origin
2) Right-click the game
3) Select Repair Install

To Clean Boot Your PC,

1) Press Win+R
2) Type 'msconfig.' in the prompt and hit enter
3) When Msconfig opens select 'General'
4) Choose Selective Startup option.
5) Uncheck 'Load startup items box'
6) Open the 'Services tab' then select 'Hide all Microsoft services' Option at the bottom of the tab
7) Press 'Disable All' Button
8) When prompted restart.

Reinstalling the Device Drivers

Running it as an Admin,

1) Open up C:\ > Program Files / Program Files (x86) > Origin Games > Need For Speed Rivals

2) Right click NFS14.exe > Properites if on 64 bit otherwise right click NFS14_x86.exe on 32 bit

3) The Compatibility Tab should look like this,

If it does now try to play

If it still fails to work please upload a DXDiag for me,

To Gather DXDiag Info,

1) Press Win+R
2) In the run box type 'DXDiag' then hit enter
3) If you have a 64-bit PC click the button 'Run 64-bit DxDiag' (if you have a 32bit PC this option will not be avaliable)
4)Press 'Save All Information'
5) To share this file with me upload it to http://hastebin.com/ and share URL