Nice easy job, takes about 15 minutes and minimal tools needed.   I managed to pick up a full genuine arm rest from a 2012 Monte Carlo, so was a good opportunity to tick off that optional extra!   Arm rest and brackets for fitting and other plastic trim looks like this....     The car without the arm rest looks like this...     Pull out the blank trim and remove the rubber base from the rear cup holder, you should see a torx screw, remo