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Starting and Operating Your
Vehicle
Running the Vehicle While Parked
Tahoe Police Package and Special
Service Package
While parked with the engine idling for an extended
period, turn off the following factory equipment if
emergency lighting and communication equipment are
operating:
.
Air Conditioner
.
Fan
.
Rear Window Defogger
.
Factory Audio System
See “Running the Vehicle While Parked” in the owner
manual Index.
Engine Idle Speed - Alternator Output
(Tahoe Police Package and Special
Service Package)
Normal idle speed for the engine is set for 600 rpm.
To increase alternator output while the transmission
remains in P (Park) or N (Neutral), and the electrical
load on the alternator is large enough, the engine idle
speed can rise to as high as 800 to 1000 rpm.
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