Jeep Wrangler 2018-2026 Owners Manual / STARTING AND OPERATING / STOP/START SYSTEM — MANUAL TRANSMISSION (IF EQUIPPED) / Possible Reasons The Engine Does Not Autostop

Jeep Wrangler: STOP/START SYSTEM — MANUAL TRANSMISSION (IF EQUIPPED) / Possible Reasons The Engine Does Not Autostop

Prior to engine shut down, the system will check many safety and comfort conditions to see if they are fulfilled. Situations when the engine will not stop include (but not limited to):

Driver’s seat belt is not buckled.
Outside temperature is less than 10°F (–12°C) or greater than 109°F (43°C).
Actual cabin temperature is significantly different than temperature set on Auto HVAC.
HVAC is set to full defrost mode.
Engine has not reached normal operating temperature.
Battery discharged.
When driving in REVERSE.
Hood is open.
Transfer case is in 4WD Low or N (Neutral).
Driver's seat is not occupied or driver’s door is open.
Vehicle is at high altitude.
The vehicle is on a steep grade.
Forward Gear is engaged.
Steering angle beyond threshold. (ESS Models Only).
System fault is present.
HVAC set to MAX A/C.

It may be possible for the vehicle to be driven several times without the Stop/Start system going into a STOP/START READY state under more extreme conditions of the items listed above.

Autostop Mode

WARNING! Vehicles with the Stop/Start system will be equipped with two batteries. Both the main and the supplemental batteries must be disconnected to completely de-energize the 12 Volt electrical system...

To Start The Engine While In Autostop Mode

When the gear selector is in NEUTRAL, the engine will start when the clutch pedal is pressed (does not require complete/full pedal press). The vehicle will go into STOP/START SYSTEM NOT READY mode until the vehicle speed is greater than 5 mph (8 km/h)...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: Children Too Large For Booster Seats

Children who are large enough to wear the shoulder belt comfortably, and whose legs are long enough to bend over the front of the seat when their back is against the seatback, should use the seat belt in a rear seat. Use this simple 5-step test to decide whether the child can use the vehicle’s seat belt alone: Can the child sit all the way back against the back of the vehicle seat? Do the child’s knees bend comfortably over the front of the vehicle seat – while the child is still sitting all the way back? Does the shoulder belt cross the child’s shoulder between the neck and arm? Is the lap part of the belt as low as possible, touching the child’s thighs and not the stomach? Can the child stay seated like this for the whole trip? If the answer to any of these questions was “no”, then the child still needs to use a booster seat in this vehicle...

Jeep Wrangler 2018-2026 Owners Manual: VEHICLE SECURITY SYSTEM — IF EQUIPPED

The Vehicle Security system monitors the vehicle doors for unauthorized entry and the ignition switch for unauthorized operation. When the alarm is activated, the interior switches for door locks are disabled. The Vehicle Security system provides both audible and visible signals...

Remote Start system

Jeep Wrangler. Remote Start system This system uses the key fob to start the engine conveniently from outside the vehicle while still maintaining security. The system has a range of approximately 300 ft (91 m).