Buick Enclave: OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect
to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic
Services. See OnStar Overview for more information.
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The vehicle's front seats have adjustable head restraints in the outboard seating
positions.
WARNING
With head restraints that are not installed and adjusted properly, there is a
greater chance that occupants will suffer a neck/spinal injury in a crash.
Do not drive until the head restrai
HEATING AND AIR CONDITIONING SYSTEM DESCRIPTION AND OPERATION
Engine Coolant
Engine coolant is the key element of the heating system. The engine
thermostat controls the normal engine
operating coolant temperature. The thermostat also creates a restriction for the
cooling system that promotes a
pos
