Ignition OFF When Disconnecting Battery Caution. GMC Truck Envoy

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2009 🢒 Envoy - 4WD 🢒 Preface 🢒 Dangers, Warnings, and Cautions 🢒 Ignition OFF When Disconnecting Battery Caution

Caution: Always turn the ignition OFF when connecting or disconnecting battery cables, battery chargers, or jumper cables. Failing to do so may damage the Powertrain Control Module (PCM) or other electronic components.