1999 GMC ENVOY tow

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Page 131 of 384

GMC ENVOY 1999  Owners Manual yellowblue     
2-71
NOTICE:
If you keep driving your vehicle with this light
on, after a while, your emission controls may not
work as well, your fuel economy may not be as
good and your engine may n

Page 134 of 384

GMC ENVOY 1999  Owners Manual yellowblue     
2-74 Security Warning Light
This light will come on
briefly when you turn the
key toward START. The
light will stay on until the
engine starts.
If the light flashes, the Passlock
 sys

Page 135 of 384

GMC ENVOY 1999  Owners Manual yellowblue     
2-75 Tow/Haul Mode Light
This light will come on
when the tow/haul mode has
been selected.
Check Gages Light
The CHECK GAGES light
will come on briefly when
you are starting the engine

Page 138 of 384

GMC ENVOY 1999  Owners Manual yellowblue     
3-2
Comfort Controls
With this system, you can control the heating, cooling
and ventilation in your vehicle.
Electronic Climate Control System
Fan Control
The knob on the left side of

Page 141 of 384

GMC ENVOY 1999  Owners Manual yellowblue     
3-5 Air Conditioning
On hot days, open the windows long enough to let hot
inside air escape. This reduces the time it takes for your
vehicle to cool down. Then keep your windows closed

Page 165 of 384

GMC ENVOY 1999  Owners Manual 4-
yellowblue     
4-1
Section 4 Your Driving and the Road
Here youll find information about driving on different kinds of roads and in varying weather conditions. Weve also
included many other usef

Page 203 of 384

GMC ENVOY 1999  Owners Manual yellowblue     
4-39
CAUTION:
Snow can trap exhaust gases under your vehicle.
This can cause deadly CO (carbon monoxide) gas
to get inside. CO could overcome you and kill
you. You cant see it or smel

Page 204 of 384

GMC ENVOY 1999  Owners Manual yellowblue     
4-40
Four-Wheel-Drive Vehicles
Use the following procedure to correctly tow your
vehicle on all four wheels:
1. Firmly set the parking brake.
2. Place the transmission in PARK (P).
3.