Page 13 of 372

WARNING (Continued)
•Young children who get into
unlocked vehicles may be
unable to get out. A child can
be overcome by extreme heat
and can suffer permanent
injuries or even death from
heat stroke. Always lock the
vehicle whenever leaving it.
•Outsiders can easily enter
through an unlocked door
when you slow down or stop
your vehicle. Locking your
doors can help prevent this
from happening.
Manual Door Locks
Lock the doors from inside the
vehicle by pressing down the button
on the top of the door.
The doors can also be unlocked
from the inside by pulling the door
handle. Pulling the door handle
again unlatches the door.Unlock the door from the outside by
turning the key counterclockwise.
Lock all doors from the outside
by turning the key clockwise.
The door lock cylinder turns freely
when either the wrong key is
used, or the correct key is not fully
inserted. The free turning door
lock feature prevents the lock from
being forced open.
To reset the lock, turn it to the
vertical position with the correct key
fully inserted. Remove the key and
insert it again.
If this does not reset the lock,
turn the key half-way around in
the cylinder and repeat the reset
procedure.
Power Door Locks
The power door lock switch is on
the center console.
K(Unlock):Press to unlock both
doors.
Q(Lock):Press to lock both doors.
To program the power door locks,
seeVehicle Personalization on
page 4-38.
Keys, Doors and Windows 1-7
Page 88 of 372

Compass
The vehicle may have a compass
display on the Driver Information
Center (DIC). The compass is
an OnStar compass and receives its
heading and other information
from OnStar. SeeOnStar
®System
on page 4-42for more information
about the OnStar system.
Clock
The infotainment system controls
are used to access the time
and date settings through the
menu system. SeeOperation on
page 6-4for information about
how to use the menu system.
Setting the Time and Date
1. Press the CONFIG button.
2. Select Time and Date Settings.
3. Select Set Time or Set Date.
4. Turn the MENU/SELECT knob to
adjust the highlighted value.
5. Press the MENU/SELECT knob
to select the next value.
6. To save the time or date and
return to the Time and Date
Settings menu, press the
0BACK button at any time or
press MENU/SELECT knob after
adjusting the minutes or year.
Setting the 12/24 Hour Format
1. Press the CONFIG button.
2. Select Time and Date Settings.
3. Highlight 12/24 Hour Format.
4. Press the MENU/SELECT knob
to select the 12 hour or 24 hour
display format.
Setting the Month & Day
Format
1. Press the CONFIG button.
2. Select Time and Date Settings.
3. Highlight Month & Day Format.
4. Press the MENU/SELECT knob
to select MM/DD (month/day) or
DD/MM (day/month).
Setting the Auto Time Adjust
1. Press the CONFIG button.
2. Select Time and Date Settings.
3. Highlight Auto Time Adjust.
4. Press the MENU/SELECT knob
to turn Auto Time Adjust on or off.
4-8 Instruments and Controls
Page 154 of 372

Using the CD Menu:
1. Press the MENU/SELECT knob.
2. Select Tracks list.
3. Select the track.
Playing Tracks in Random Order
Press the MENU/SELECT knob
and then set Shuffle Songs to On.
Fast Forward and Rewind
Press and hold
lSEEK or
gSEEK to fast forward or rewind
within the current track.
Selecting an MP3 Track
Using the control buttons:
Press
gSEEK orlSEEK to
select the previous or next track.
Turn the MENU/SELECT knob
counterclockwise or clockwise to
select the previous or next track.Using the CD Menu:
1. Press the MENU/SELECT knob.
2. Select Playlists / Folders.
3. Select the play list or folder.
4. Select the track.
Searching for MP3 Tracks
It is normal for the search feature to
take some time to display the
information after reading the disc
due to the amount of information
stored on the disc. The infotainment
system automatically switches to
FM while the disc is being read.
Tracks can be searched by:
•Playlists
•Artists
•Albums
•Song Titles
•Genres
•Folder ViewTo search for tracks:
1. Press the MENU/SELECT knob.
2. Select Search.
3. Select: Playlists, Artists,
Albums, Song Titles, Genres,
or Folder View.
4. Select the track.
Auxiliary Devices
The AUX Input allows portable
devices to connect to the vehicle
using the 3.5mm (1/8 inch) input
jack, the USB port, if equipped, or
Bluetooth
®wireless technology,
if equipped.
Portable devices are controlled by
using the menu system described in
Operation on page 6-4.
6-16 Infotainment System
Page 254 of 372

If no coolant is visible in the coolant
overflow bottle, add coolant as
follows:
3.6 L V6 Engine Fill Procedure
1. Locate the radiator cap.
SeeEngine Compartment
Overview on page 9-6.
2. Remove engine cover to access
the radiator cap. SeeEngine
Cover on page 9-9.
3. Cover the radiator cap with a
thick cloth and turn it slowly
counterclockwise and remove.
4. If there is no coolant visible or
the level is low, slowly fill the
system through the radiator cap
opening with a 50/50 mixture
of DEX-COOL
®and clean
drinkable water.Wait 30 seconds for coolant to
settle and continue filling if
the level drops.
Do not spill coolant on the
accessory drive belts.
If a spill occurs, rinse the belt
with fresh water.
5. Start the engine.
6. With the engine idling, continue
to add coolant through the
radiator cap opening until full.
Wait 30 seconds for the coolant
to settle and top off, if the level
drops.
7. Once the system is full, put the
radiator cap back on by turning
clockwise.
8. With the engine still running,
raise the engine to 2500 RPM
for 30–40 seconds.
9. Turn the engine OFF.
10. Repeat steps 2–7 then turn the
engine off.11. Allow engine to cool for
45 minutes. Top off coolant
through the radiator cap
opening and re-install the
radiator cap.
12. Re-install the engine cover.
SeeEngine Cover on
page 9-9.
13. Check the coolant level in the
coolant recovery bottle and fill
it until the level is at the top
symbol on the dipstick.
9-22 Vehicle Care
Page 255 of 372

6.2 L V8 Engine Fill Procedure
1. Locate the radiator cap.
SeeEngine Compartment
Overview on page 9-6.
2. Cover the radiator cap with a
thick cloth and turn it slowly
counterclockwise and remove.
3. If there is no coolant visible or
the level is low, slowly fill the
system through the radiator cap
opening with a 50/50 mixture
of clean, drinkable water and a
DEX-COOL
®coolant until full.Wait 30 seconds for coolant to
settle and top off if the level
drops.
Do not spill coolant on the
accessory drive belts.
If a spill occurs, rinse the belt
with fresh water.
4. Start the engine.
5. With the engine idling, top off the
coolant through the radiator cap
opening until full.
Wait 30 seconds for the coolant
to settle and top off, if the level
drops.
6. Once the system is full, put the
radiator cap back on by turning
clockwise.
7. Turn the engine OFF.8. Check the coolant level in the
coolant recovery bottle and fill
it until the level is at the top mark
on the dipstick.
Notice:If the pressure cap is
not tightly installed, coolant loss
and possible engine damage
may occur. Be sure the cap is
properly and tightly secured.
Vehicle Care 9-23