Dual zone climate control, Diesel exhaust brake (engine braking), Aftermarket modifications – not recommended – Ram Trucks 2009 Diesel - Quick Reference Guide User Manual
Page 2: Air recirculation
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Dual Zone Climate Control
AiR RECiRCULATiON
• Use recirculation for maximum A/C operation.
• For window defogging, turn recirculation off.
• Recirculation is not allowed in defrost or defrost/floor
(mix) modes.
Diesel exhaust brake (engine braking)
• The Exhaust Brake Switch, located below
the climate controls on the lower switch
panel, aids in vehicle braking when
turned on.
• Once the switch is in the ON position and the vehicle is moving
faster than 5 mph, the exhaust brake will automatically
operate when the driver removes pressure from the
accelerator pedal.
• Refer to Owner’s Manual Diesel Supplement for further details.
aftermarket moDifiCations – not reCommenDeD
• Non-MOPAR
®
powertrain and exhaust after-treatment
modifications (i.e., power-up kits) are not recommended.
They can cause damage to the engine, powertrain and/or
exhaust system.
• MOPAR
®
brand air, fuel and engine oil filters are STRONGLY
recommended for use in your vehicle. Non-MOPAR
®
brand air,
fuel and engine oil filters can damage your vehicle.
• Refer to Owner’s Manual Diesel Supplement for further details.
slide
Driver or
Passenger
temp. Control
rotate
blower Control
rotate
mode Control
Push
a/C
button
Push
recirc.
button
Push rear
Window
Defroster
button
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