Jeep Wrangler 2018-2025 Owners Manual / STARTING AND OPERATING / NORMAL OPERATION — DIESEL ENGINE / Cooling System Tips — Automatic Transmission
Jeep Wrangler: NORMAL OPERATION — DIESEL ENGINE / Cooling System Tips — Automatic Transmission
To reduce the potential for engine and transmission overheating in high ambient temperature conditions, take the following actions:
- City Driving — When stopped, shift the transmission into NEUTRAL (N) and increase engine idle speed.
- Highway Driving — Reduce your speed.
- Up Steep Hills — Select a lower transmission gear.
- Air Conditioning — Turn it off temporarily.
NOTE:
If the coolant temperature is too high, the A/C will automatically turn off.
Stopping The Engine
After full load operation, idle the engine for a
few minutes before shutting it down. This idle
period will allow the lubricating oil and coolant
to carry excess heat away from the
turbocharger...
Do Not Operate The Engine With Low Oil Pressure
If the low oil pressure warning light turns on
while driving, stop the vehicle and shut down
the engine as soon as possible. A chime will
sound when the light turns on...
Other information:
Jeep Wrangler 2018-2025 Owners Manual: 3.6L Gasoline Engine
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Jeep Wrangler 2018-2025 Owners Manual: Auxiliary Switches — If Equipped
Four auxiliary switches located in the lower switch bank of the instrument panel can be used to power various electrical devices. You have the ability to configure the functionality of the auxiliary switches via the Uconnect Settings. All switches can be configured as follows: Switch type operation: Latching or Momentary Power source: Battery or Ignition Ability to hold last state across key cycles: On or Off Auxiliary Switches NOTE: Holding last state conditions are met when switch type is set to latching and power source is set to ignition...
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Turn Signals. Lane Change Assist — If Equipped
Turn Signals
Move the multifunction lever up or down to activate the turn signals. The arrows on each side of the instrument cluster flash to show proper operation.
NOTE:
If either light remains on and does not flash, or there is a very fast flash rate, check for a defective outside light bulb.
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