Owner's book · not a shop

Know the car. Then the window. Factory specs in plain English — don't authorize until you can say this at the counter.

Owner tools

Lab desks

No dongle required

Type the code

Any $20 scanner. Five characters. We write what it means and what to ask before parts. iPhone Safari has no Web Bluetooth — type the code.

Park first · Mode 03

ELM327

Checking whether this browser can open Web Bluetooth.

Scanner copy · customer

The light is a pointer, not a parts list. P0420 is not automatically a catalytic converter. P0300 is a misfire pattern, not a coil pack by default.