Running Your Engine While You're Parked - GMC 1999 Sierra 1500 Pickup Owner's Manual

Running Your Engine While You%
Parked [Automatic mansmission)
It's better not to park with the engine running. But if you ever have to, here
are some things to know.
1
CAUTION
I
*
Idling the engine with the air system control off could allow
'
jangerous exhaust into your vehicle. (See the earlier Caution under
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:
'Engine Exhaust".)
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Also, Idling in a closed-in place can let deadly oxide (CO)
nto your vehicle, even if the fan switch is at the highest setting. One
place this can happen is a garage. Exhaust-with
co--(
-%
-c
?&
2asily. NEVER park in a garage with the engine runni
? - !
4 n o t h e r
,I:
- ' i
closed-in place can be a blizzard. (See "Blizzard" in th
Index.)
CAUTION
It can be dangerous to get out of your vehicle
if the shift lever is not
L
fully in P (Park) with the parking brake firmly set. Your vehicle can
roll. Don't leave your vehicle when the engine
is running unless you
have to. If you've left the engine running, the vehicle can move
suddenly. You
or
others could be injured. To be sure your vehicle
won't move, even when you're on fairly level ground,, always set your
parking brake and move the shift lever
to P (Park).
I
If you have four-wheel drive and your transfer case is in
N
(Neutral},
your vehicle will be free to roll, even if
your
shift lever is in P (Park),
So, be sure the transfer case i s in a drive gear-not in N (Neutral).
Foliow the proper
-steps
to be sure your vehicle won't move. -See
"Shifting Into P (Park)" in the Index.
I f you are parking on
a
hill, or if you're pulling- -a- trailer, also see
"Parking on Hilis"-.or "Towing
-a
Trailer"' in
the
Index.
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