How do i remove the trim around the stereo to replace the factory

disconnect the negative battery cable from the Altima's battery.

Pry up the trim panel surrounding the gear stick. The trip panel is held in place by plastic clips that will disengage when the panel is pried up. Use a flat-head screwdriver to pry up the panel. The panel doesn't need to be completely removed, just pried up enough to reveal two Phillips screws along the bottom of the radio trim panel.

Remove the two Phillips screws along the bottom edge of the radio trim panel, just above the gear stick. Remove the two Phillips screws from above the radio. Remove the ashtray.

Pry the radio trim panel loose with your fingers or a flat-head screwdriver and remove it.

Remove the four Phillips screws holding the radio in place. Set the screws aside for use later. Slide the radio forward and disconnect the wires from the back of the device.

Slide the cage included with your new stereo into your dash adapter. Slide the stereo into the cage and dash adapter.

Connect the wires from the dash to the back of your new stereo. All stereos have slightly different connections methods, so refer to the owner's manual accompanying your new stereo for the proper connection procedure.

Slide the stereo and dash adapter into the dashboard. Use the previously removed Phillips screws to mount the stereo in place. Replace the radio trim panel and gear stick trim panel. Reconnect your battery.

If you are putting a aftermarket stero make sure you buy a stero harness that plugs into the cars harness, on the back side of the harness you just installed will have open wires to conet to your new stero. If you cut the wires from your car to try to splice it to the new raido it can cause problems with the electrical system includeing making the transmission shift or act funny. you can pick the harness at wall-mart, car auido, best buy, or any car auido place.

Disconnect the negative battery cable and ensure it doesn't contact any metal parts. Place the transmission into the "Drive" position and set the parking brake.

Remove the trim from around the stereo by prying at one of the bottom corners with your fingers. Apply pressure until the clips disengage and work your way up the trim. Once the trim is free from the dash set it safely aside.

Locate and remove the six 10mm bolts that hold the stereo in place. Pull the head unit out of the Toyota highlander dash and disconnect the wires from the back of the radio.

Connect the wiring harness adaptor to the original harness. Mount the new stereo into the Toyota radio mounting kit and secure it by following the manufacturer's instructions. Plug the wiring harness adaptor and antenna wire into the back of the new stereo.

Slide the entire stereo assembly into the dash and reconnect the battery cable. Turn the radio on and verify the speakers and controls are working on the new stereo. Secure the stereo in the dash with the six 10mm bolts and replace the trim ring around the radio.