Summer Operation; Winter Operation; Vacation/Storage- Page 70

2018 Jeep Wrangler JK Owner Manual

Table of Contents

GETTING TO KNOW YOUR VEHICLE
GETTING TO KNOW YOUR INSTRUMENT PANEL
SAFETY
OCCUPANT RESTRAINT SYSTEMS
STARTING AND OPERATING
SERVICING AND MAINTENANCE
MULTIMEDIA
UCONNECT PHONE — IF EQUIPPED
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Summer Operation

The engine cooling system must be protected with a

high-quality antifreeze coolant to provide proper corrosion

protection and to protect against engine overheating. OAT

coolant (conforming to MS.90032) is recommended.

Winter Operation

To ensure the best possible heater and defroster perfor-

mance, make sure the engine cooling system is functioning

properly and the proper amount, type, and concentration

of coolant is used. Use of the Air Recirculation mode

during Winter months is not recommended, because it may

cause window fogging.

Vacation/Storage

Before you store your vehicle, or keep it out of service (i.e.,

vacation) for two weeks or more, run the air conditioning

system at idle for about five minutes, in fresh air with the

blower setting on high. This will ensure adequate system

lubrication to minimize the possibility of compressor dam-

age when the system is started again.

Window Fogging

Vehicle windows tend to fog on the inside in mild, rainy,

and/or humid weather. To clear the windows, select De-

frost or Mix mode and increase the front blower speed. Do

not use the Recirculation mode without A/C for long

periods, as fogging may occur.

CAUTION!

Failure to follow these cautions can cause damage to
the heating elements:

Use care when washing the inside of the rear win-
dow. Do not use abrasive window cleaners on the
interior surface of the window. Use a soft cloth and a
mild washing solution, wiping parallel to the heat-
ing elements. Labels can be peeled off after soaking
with warm water.

Do not use scrapers, sharp instruments, or abrasive
window cleaners on the interior surface of the win-
dow.

Keep all objects a safe distance from the window.

68

GETTING TO KNOW YOUR VEHICLE

Detailed Information for 2018 Jeep Wrangler JK Owner Manual

Lists of information found in 2018 Jeep Wrangler JK Owner Manual - Page 70

  • Use care when washing the inside of the rear win- dow.
  • Do not use scrapers, sharp instruments, or abrasive window cleaners on the interior surface of the win- dow.
  • Keep all objects a safe distance from the window.

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