Car stereo compatibility
Review fitment, factory features, interfaces, and equipment model numbers before choosing a receiver.
Read the stereo planning guideGhostCore // Field notes
Understand the system. Plan the work.
Useful questions to ask before changing vehicle electronics, reviewing a mobile service location, or authorizing repair charges.
Mobile service locations
Understand permission, access, safety, and job-specific worksite review.
Read the worksite guidePrepare for a diagnostic visit
Document warning messages and symptoms, preserve useful vehicle information, and identify safety concerns before planning service.
Read the diagnostic checklistRepair estimates & authorization
Know what to ask about itemized charges, added work, and required authorization under California rules.
Read the estimates guide