Metra -10 Data Interface Fits select: 2016-2018 , 2018

Provides accessory power (12-volt 10-amp) Retains ... (Retained Accessory Power) Provides  outputs (parking brake, reverse and speed sense) Retains warning chimes and balance and fade with adjustable gain control Pre-wired  harness ( sold separately) Retains OnStar® / Bluetooth® with adjustable OnStar® gain control Retains the factory backup camera Used in non-amplified systems or when replacing amplified system Can be used with extension - Micro-  updatable