Warning:NEVER spray water on a hot heat exchanger. The resultingsteam could cause personal injury.
Caution:The heat exchanger fins are necessary for good heat transfer.Do not brush the fins. This may cause damage to the fins, reducingheat transfer.
Note:Remove bugs, leaves, dirt and other debris by blowingcompressed air through the engine side of the radiator.
Some conditions may require the use of warm water and a milddetergent.Clean the A/C condenser fins.Clean between the A/C condenser and radiator.Clean the radiator cooling fins.Straighten any damaged cooling fins.#PIC5491D: OnStar Will Not Power Up - (Oct 8, 2013)
Subject:OnStar Will Not Power UpModels: 2006-2014 GM Passenger Cars and Truckswith OnStar (UE1) Gen7, Gen8, Gen9, or FCP1This PI was superseded to add STID / Station ID for identification. Please discardPIC5491C.Condition/ConcernA concern may be identified on a Gen7, Gen8, Gen9, or FCP1 VCIM as the ...