Page 1 of 339
260 Introduction 4
Instrument Cluster 12
Warning lights and chimes 12
Gauges 16
Message center 18
Entertainment Systems 27
AM/FM stereo with CD/MP3 27
Auxiliary input jack (Line in) 35
USB port 37
Satellite radio information 41
Navigation system 44
SYNC44
Climate Controls 45
Manual heating and air conditioning 45
Dual automatic temperature control 48
Rear window defroster 51
Lights 52
Headlamps 52
Turn signal control 56
Bulb replacement 58
Driver Controls 64
Windshield wiper/washer control 64
Steering wheel adjustment 65
Power windows 71
Mirrors 72
Speed control 74
Moon roof 79
Table of Contents
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2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)
Page 15 of 339

Low fuel:Illuminates when the fuel
level in the fuel tank is at or near
empty (refer toFuel gaugein this
chapter).
Speed control:Illuminates when
the speed control is engaged. Turns
off when the speed control system
is disengaged.
Overdrive cancel and grade
assist:Illuminates when the
overdrive function of the
transmission has been turned off
and the grade assist function has
been turned on, refer to theDrivingchapter.
Anti-theft system:Flashes when
the SecuriLockPassive Anti-theft
System has been activated.
Throttle control/Powertrain:
Illuminates when a powertrain fault
has been detected. Contact your
authorized dealer as soon as
possible.
Door ajar:Illuminates when the
ignition is in the on position and any
door is open.
Turn signal:Illuminates when the
left or right turn signal or the
hazard lights are turned on. If the
indicators flash faster, check for a burned out bulb.
High beams:Illuminates when the
high beam headlamps are turned on.
Key-in-ignition warning chime:Sounds when the key is left in the
ignition in the off or accessory position and the driver’s door is opened.
Instrument Cluster
15
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)
Page 60 of 339
Replacing headlamp bulbs
1. Make sure that the headlamp control is in the off position.
2. Open the hood.
3. Reach over the front bolster.
4. Remove the bulb by turning it
counterclockwise and then pulling it
straight out.
5. Disconnect the electrical
connector from the bulb.
WARNING:Handle a
halogen headlamp bulb
carefully and keep out of
children’s reach. Grasp the bulb
only by its plastic base and do not
touch the glass. The oil from your
hand could cause the bulb to
break the next time the
headlamps are operated.
6. Connect the electrical connector on the new bulb.
7. Insert the glass end of the new bulb into the headlamp assembly.
When the grooves in the plastic base are aligned, turn the new bulb
clockwise to install.
Replacing front parking lamp and turn signal bulbs
For bulb replacement, see your authorized dealer.
Lights
60
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)