Hello and thanks for choosing JustAnswer.com!
Replacement procedures for your vehicle's radio are as follows:
REMOVAL:Disconnect the negative battery cableRemove the audio system trim moldingRemove the screws and the audio systemDisconnect the audio system electrical connector and the antenna cable
INSTALLATION:Connect the audio system electrical connector and the antenna cableInstall the audio system with the screws (tighten screws to 6 Nm ( 53 Lb in.)Install the audio system trim moldingConnect the negative battery cableEnter the audio security system 4-digit code