Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment on page 9‑112. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.
See also:
Running the Vehicle While Parked
It is better not to park with the engine running. But if you ever have to, here
are some things to know.
WARNING
Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine
e ...
Engine Coolant Heater
The engine heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below −18°C (0°F). Vehicles with an engine heater should be plugged ...
Infotainment
Read the following pages to become familiar with the audio system's features.
WARNING
Taking your eyes off the road for extended periods could cause a crash resulting in injury or death to you or ot ...