GMC 1999 Sierra 1500 Pickup Owner's Manual page 83

When the engine starts, let go of the key and accelerator pedal.
Your engine is designed to work with the electronics in your vehicle. If you
1
add electrical parts or accessories, you could change the way the fuel
injection system operates. Before adding electrical equipment, check with
your dealer. If you don't, your engine might not perform properly.
If you ever have to have your vehicle towed, see the part of this Manu;
.
that tells how to do it without damaging your vehicle. See "Towing Your
Vehicle" in the Index.
NOTICE
I
If you -drive too quickly through deep puddles or standing water, water can
come in through your engine's air intake and badly damage your engine. 1%-
you can't avoid deep puddles
or
standing
water,
drive through very slowlv.
I
--
Never drive through standing water more than 8 inches deep if y o ~
vehicle has a diesel engine. Also, don't drive through any standing water
faster than
5
mph (8 kmh). If you do, water can be drawn in through the
air intake, and this can severely damage your engine.
-
Driving In Snow (Diesel Engines)
When driving in a heavy snowstorm or in swirling snow with a diesel engine,
snow can get into the air intake system. If you keep driving in these
conditions, the air cleaner may get plugged, causing black smoke and loss of
power. In an emergency, if the air cleaner is plugged with snow, you can
remove the air cleaner. Then, drive to a place of safety as soon as possible
and put the air cleaner back on.
Starting Your Diesel Engine
Your diesel .engine starts differently than a gasoline engine.
1. Automatic Transmission:
Move your shift lever to P (Park) or N (Neutral). Your engine won't start
in any other position-that's a safety feature. To restart when you're
already moving, use N (Neutral) only.
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