2012 CHEVROLET SUBURBAN run flat

Black plate (27,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
In Brief 1-27
During cooler conditions, the low tire
pressure warning light may appear
when the vehicle is first started and
then turn off. This may be an early
indicator that the tire pressures are
getting low and the tires need to be
inflated to the proper pressure.
The TPMS does not replace normal
monthly tire maintenance. It is the
driver’s responsibility to maintain
correct tire pressures.
See Tire Pressure Monitor System
on page 10‑53.
Engine Oil Life System
The engine oil life system calculates
engine oil life based on vehicle use
and, on most vehicles, displays a
DIC message when it is necessary
to change the engine oil and filter.
The oil life system should be reset
to 100% only following an oil
change. Resetting the Oil Life System
To reset the Engine Oil Life System
on most vehicles:
1. Display OIL LIFE REMAINING
on the DIC. If the vehicle does
not have DIC buttons, the
vehicle must be in P (Park) to
access this display.
2. Press and hold the SET/RESET button on the DIC, or the trip
odometer reset stem if the
vehicle does not have DIC
buttons, for more than
five seconds. The oil life will
change to 100%.
On all vehicles, the Engine Oil Life
System can be reset as follows:
1. Turn the ignition to ON/RUN with the engine off.
2. Fully press the accelerator pedal slowly three times within
five seconds.
3. Display OIL LIFE REMAINING on the DIC. If the display
shows 100%, the system is
reset. See
Engine Oil Life System on
page 10‑9.
Fuel E85 (85% Ethanol)
Vehicles that have a FlexFuel badge
and a yellow fuel cap can use either
unleaded gasoline or ethanol fuel
containing up to 85% ethanol (E85).
See Fuel E85 (85% Ethanol) on
page 9‑62. For all other vehicles,
use only the unleaded gasoline
described under Recommended
Fuel on page 9‑60.
Driving for Better Fuel
Economy
Driving habits can affect fuel
mileage. Here are some driving
tips to get the best fuel economy
possible.
.Avoid fast starts and accelerate
smoothly.
.Brake gradually and avoid
abrupt stops.
.Avoid idling the engine for long
periods of time.

Black plate (5,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
Keys, Doors, and Windows 2-5
To replace the battery:
1. Separate the transmitter with aflat, thin object, such as a flat
head screwdriver.
.Carefully insert the tool into
the notch located along
the parting line of the
transmitter. Do not insert
the tool too far. Stop as
soon as resistance is felt.
.Twist the tool until the
transmitter is separated.
2. Remove the old battery. Do not use a metal object. 3. Insert the new battery, positive
side facing down. Replace with a
CR2032 or equivalent battery.
4. Snap the transmitter back together.
Remote Vehicle Start
If available, this feature allows you
to start the engine from outside of
the vehicle. It may also start up the
vehicle's heating or air conditioning
systems and rear window defogger.
Normal operation of the system will
return after the key is turned to the
ON/RUN position.
If the vehicle has an automatic
climate control system, the climate
control system will default to a
heating or cooling mode depending
on the outside temperatures. If the
vehicle does not have an automatic
climate control system, the system
will turn on at the setting the vehicle
was set to when the vehicle was
last turned off. During a remote start, if the vehicle
has an automatic climate control
system and heated seats, the
heated seats will turn on during
colder outside temperatures and
will shut off when the key is turned
to ON/RUN. If the vehicle does
not have an automatic climate
control system, during remote start,
manually turn the heated seats on
and off. See
Heated and Ventilated
Front Seats on page 3‑9 for
additional information.
Laws in some communities may
restrict the use of remote starters.
For example, some laws may
require a person using the remote
start to have the vehicle in view
when doing so. Check local
regulations for any requirements
on remote starting of vehicles.
Do not use the remote start feature
if the vehicle is low on fuel. The
vehicle may run out of fuel.

Black plate (49,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
Driving and Operating 9-49
An air compressor connected to the
rear shocks will raise or lower the
rear of the vehicle to maintain
proper vehicle height. The system
is activated when the ignition key
is turned to ON/RUN and will
automatically adjust vehicle height
thereafter. The system may exhaust
(lower vehicle height) for up to
ten minutes after the ignition key
has been turned off. You may hear
the air compressor operating when
the height is being adjusted.
If a weight‐distributing hitch is being
used, it is recommended to allow
the shocks to inflate, thereby
leveling the vehicle prior to adjusting
the hitch.Cruise Control
{WARNING
Cruise control can be dangerous
where you cannot drive safely at
a steady speed. So, do not use
the cruise control on winding
roads or in heavy traffic.
Cruise control can be dangerous
on slippery roads. On such roads,
fast changes in tire traction can
cause excessive wheel slip, and
you could lose control. Do not use
cruise control on slippery roads.
With cruise control, a speed of
about 40 km/h (25 mph) or more can
be maintained without keeping your
foot on the accelerator. Cruise
control does not work at speeds
below about 40 km/h (25 mph).
When the brakes are applied, cruise
control is turned off. If the vehicle has StabiliTrak and the
system begins to limit wheel spin,
cruise control will automatically
disengage. See
StabiliTrak
®System
on page 9‑45. When road conditions
allow the cruise control to be safely
used again, it can be turned
back on.
I(On/Off): Press to turn the
system on or off. The indicator light
is on when cruise control is on and
turns off when cruise control is off.

Black plate (68,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
9-68 Driving and Operating
Backing Up
Hold the bottom of the steering
wheel with one hand. Then, to
move the trailer to the left, move
that hand to the left. To move the
trailer to the right, move your hand
to the right. Always back up slowly
and, if possible, have someone
guide you.
Making Turns
Notice:Making very sharp turns
while trailering could cause the
trailer to come in contact with the
vehicle. The vehicle could be
damaged. Avoid making very
sharp turns while trailering.
When turning with a trailer, make
wider turns than normal. Do this
so the trailer will not strike soft
shoulders, curbs, road signs, trees
or other objects. Avoid jerky or
sudden maneuvers. Signal well in
advance.
If the trailer turn signal bulbs burn
out, the arrows on the instrument
panel will still flash for turns. It is important to check occasionally to
be sure the trailer bulbs are still
working.
Driving on Grades
Reduce speed and shift to a
lower gear
beforestarting down a
long or steep downgrade. If the
transmission is not shifted down, the
brakes might get hot and no longer
work well.
Vehicles can tow in D (Drive). Shift
the transmission to a lower gear if
the transmission shifts too often
under heavy loads and/or hilly
conditions.
The tow/haul mode may be used if
the transmission shifts too often.
See Tow/Haul Mode Light on
page 5‑22.
When towing at high altitude on
steep uphill grades, consider the
following: Engine coolant will boil at
a lower temperature than at normal
altitudes. If the engine is turned off
immediately after towing at high
altitude on steep uphill grades, the vehicle may show signs similar to
engine overheating. To avoid this,
let the engine run while parked,
preferably on level ground, with the
automatic transmission in P (Park)
for a few minutes before turning the
engine off. If the overheat warning
comes on, see
Engine Overheating
on page 10‑19.
Parking on Hills
{WARNING
Parking the vehicle on a hill
with the trailer attached can be
dangerous. If something goes
wrong, the rig could start to move.
People can be injured, and both
the vehicle and the trailer can be
damaged. When possible, always
park the rig on a flat surface.

Black plate (4,1)Chevrolet Tahoe/Suburban Owner Manual - 2012
i-4 INDEX
Driving (cont'd)Off-Road . . . . . . . . . . . . . . . . . . . . . . 9-6
Off-Road Recovery . . . . . . . . . . . . 9-5
Vehicle Load Limits . . . . . . . . . . . 9-16
Wet Roads . . . . . . . . . . . . . . . . . . . 9-11
Winter . . . . . . . . . . . . . . . . . . . . . . . . 9-13
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 8-4
DVD
Rear Seat EntertainmentSystem . . . . . . . . . . . . . . . . . . . . . . 7-35
DVD/CD Player . . . . . . . . . . . . . . . . 7-20
E
E85 Fuel . . . . . . . . . . . . . . . . . . . . . . . 9-62
Electrical Equipment, Add-On . . . . . . . . . . . . . . . . . . . . . . 9-85
Electrical System Engine CompartmentFuse Block . . . . . . . . . . . . . . . . 10-37
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . 10-37
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . 10-41
Overload . . . . . . . . . . . . . . . . . . . 10-36 Emergency, OnStar
®. . . . . . . . . . 14-2
Engine
Air Cleaner/Filter . . . . . . . . . . . 10-14
Check and Service EngineSoon Light . . . . . . . . . . . . . . . . . . 5-18
Compartment Overview . . . . . . . 10-6
Coolant . . . . . . . . . . . . . . . . . . . . . 10-16
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 5-14
Cooling System . . . . . . . . . . . . . 10-15
Cooling System Messages . . . . . . . . . . . . . . . . . . . 5-37
Drive Belt Routing . . . . . . . . . . . . 12-4
Exhaust . . . . . . . . . . . . . . . . . . . . . . 9-29
Fan . . . . . . . . . . . . . . . . . . . . . . . . . 10-21
Heater . . . . . . . . . . . . . . . . . . . . . . . . 9-25
Oil Pressure Gauge . . . . . . . . . . 5-13
Overheated Protection Operating Mode . . . . . . . . . . . 10-21
Overheating . . . . . . . . . . . . . . . . 10-19
Power Messages . . . . . . . . . . . . . 5-39
Pressure Light . . . . . . . . . . . . . . . . 5-24
Running While Parked . . . . . . . . 9-30
Starting . . . . . . . . . . . . . . . . . . . . . . . 9-24 Engine Oil
Life System . . . . . . . . . . . . . . . . . . . 10-9
Messages . . . . . . . . . . . . . . . . . . . . 5-38
Entry Lighting . . . . . . . . . . . . . . . . . . . 6-8
Equipment, Towing . . . . . . . . . . . . 9-75
Event Data Recorders . . . . . . . . 13-19
Exit Lighting . . . . . . . . . . . . . . . . . . . . 6-8
Extender, Safety Belt . . . . . . . . . . 3-28
Exterior Lamp Controls . . . . . . . . . 6-1
Exterior Lamps Off Reminder . . . 6-2
F
Fan Engine . . . . . . . . . . . . . . . . . . . . . . 10-21
Features Memory . . . . . . . . . . . . . . . . . . . . . . . 1-10
Filter, Engine Air Cleaner . . . . . . . . . 10-14
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-3
Flashers, Hazard Warning . . . . . . 6-5
Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-65 Changing . . . . . . . . . . . . . . . . . . . 10-66
Floor Mats . . . . . . . . . . . . . . . . . . . . 10-99