Audio / 01
Car Stereos
Review dash dimensions, mounting depth, wiring harness, antenna adapter, steering controls, factory amplifier, warning chimes, original camera input, microphone, USB connection, phone compatibility, and system reset behavior.
Fit, wiring, controls
Audio / 02
Car Speakers
Confirm speaker size, depth, impedance, power handling, polarity, connector type, amplifier output, crossover configuration, mounting seal, panel clearance, wiring condition, and balance or fade settings.
Size, power, sound path
Connect / 03
Wireless CarPlay Adapters
Confirm factory wired CarPlay, supported phone software, correct USB data port, Bluetooth and Wi-Fi access, forgotten pairings, startup order, app permissions, firmware status, and connection priority.
Wired CarPlay required
Connect / 04
Bluetooth FM Transmitters
Check 12-volt outlet contact, Bluetooth pairing, selected FM frequency, local radio interference, volume balance, microphone position, charging cable, outlet clearance, and whether another phone is reconnecting automatically.
Outlet, pairing, frequency
Power / 05
Car Chargers
Verify outlet voltage, charger seating, cable rating, device protocol, selected port, shared total output, phone temperature, debris inside the outlet, fuse condition, and whether fast charging appears only below a specific battery level.
Source, cable, protocol
Safety / 06
Dash Cameras
Review power source, memory-card specification, card formatting, recording loop, camera angle, lens cleanliness, app connection, cable length, rear-camera plug, parking-mode accessory, date setting, and heat exposure.
Power, storage, recording
Safety / 07
Backup Cameras
Confirm camera power, ground connection, video format, stereo input, reverse trigger, image orientation, extension cable, weatherproof connection, license-plate clearance, signal conversion, and screen camera settings.
Power, video, trigger
Diagnostic / 08
OBD2 Scanners
Check vehicle protocol, ignition position, diagnostic-port power, app compatibility, Bluetooth permissions, selected vehicle profile, module support, subscription status, stored codes, live-data availability, and advanced-function limitations.
Protocol, module, software
Location / 09
GPS Trackers
Confirm activation, service plan, cellular coverage, battery level, charging, satellite visibility, placement, account access, update interval, sleep mode, movement detection, notification permissions, and network recovery time.
Activation, signal, placement