Jeep Wrangler: Yellow Warning Lights / Anti-Lock Brake System (ABS) Warning Light
This warning light monitors the
ABS.
The light will turn on when the ignition
is placed in the ON/RUN or ACC/ON/
RUN position and may stay on for as
long as four seconds.
If the ABS light remains on or turns on while driving, then the Anti-Lock portion of the brake system is not functioning and service is required as soon as possible. However, the conventional brake system will continue to operate normally, assuming the Brake Warning Light is not also on.
If the ABS light does not turn on when the ignition is placed in the ON/RUN or ACC/ON/ RUN position, have the brake system inspected by an authorized dealer.
Electronic Stability Control (ESC) Active Warning Light — If Equipped
This warning light will indicate
when
the Electronic Stability Control system
is Active. The ESC Indicator Light in
the instrument cluster will come on
when the ignition is placed in the ON/RUN or
ACC/ON/RUN position, and when ESC is activated...
Other information:
Jeep Wrangler 2018-2026 Owners Manual: 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. The radiator normally remains completely full, so there is no need to remove the radiator/ coolant pressure cap unless checking for engine coolant freeze point or replacing coolant...
Jeep Wrangler 2018-2026 Owners Manual: Air Conditioner Maintenance
For best possible performance, your air conditioner should be checked and serviced by an authorized dealer at the start of each warm season. This service should include cleaning of the condenser fins and a performance test. Drive belt tension should also be checked at this time...
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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.
