Jeep Wrangler 2018-2026 Owners Manual / SERVICING AND MAINTENANCE / VEHICLE MAINTENANCE / Cooling System / Disposal Of Used Coolant

Jeep Wrangler: Cooling System / Disposal Of Used Coolant

Used ethylene glycol-based coolant (antifreeze) OAT or HOAT, is a regulated substance requiring proper disposal. Check with your local authorities to determine the disposal rules for your community. To prevent ingestion by animals or children, do not store ethylene glycol-based coolant in open containers or allow it to remain in puddles on the ground, clean up any ground spills immediately. If ingested, seek emergency assistance immediately.

Cooling System Pressure Cap

The cap must be fully tightened to prevent loss of engine coolant (antifreeze), and to ensure that engine coolant will return to the radiator from the coolant expansion bottle/recovery tank if so equipped...

Coolant Level

The coolant bottle provides a quick visual method for determining that the coolant level is adequate. With the engine OFF and cold, the level of the engine coolant (antifreeze) in the bottle should be between the ranges indicated on the bottle...

Other information:

Jeep Wrangler 2018-2026 Owners Manual: Removing The Soft Top Windows

NOTE: Before fully lowering the soft top, the rear window and rear quarter windows must be removed. Remove The Rear Window: With the swing gate open, remove the rear window’s plastic retainers from the lower right and left corners. Step One Grab the swing gate bar, rotate it outward and upward releasing it from both the right and left retainers...

Jeep Wrangler 2018-2026 Owners Manual: Starting Fluids

The engine is equipped with a glow plug preheating system. If the instructions in this manual are followed, the engine should start in all conditions and no type of starting fluid should be used. WARNING! Do not leave children or animals inside parked vehicles in hot weather...