OnStar Overview
EmergencyInstallation Procedure
Align the rear compartment floor panel.
Drill 4 mm (3/16 in) for rivets along the edges of the rear compartment
floor were you cant apply a resistance spot welder.
Clean and prepare the attaching surfaces for
spot welding and riveting.
Apply structural adhesive to all a ...
Engine Heater
The engine heater, if available, can help in cold weather conditions at or below
−18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug
in the heater at least four hours before starting the vehicle. An internal thermostat
in the plug end of the cord will prev ...
Battery Negative Cable Disconnection and Reconnection
Removal Procedure
Turn on the radio and record all of the customer radio station presets.
Ensure that all lamps and accessories are turned off.
Turn the ignition OFF and remove the ignition key.
Warning: Refer to Battery Disconnect Warning in the Preface section.
Loosen the negati ...