2023 Hyundai IONIQ 5 Coolant in Peoria, AZ

Warning messages about battery or powertrain temperature, cooling fans running unusually often, or visible coolant seepage are signs your IONIQ 5 needs inspection and service.

Other clues include reduced DC fast‑charging speed on a familiar charger, audible pump noises, or a sweet odor near the front of the vehicle. Because the system is pressurized and can be hot after driving, checks are performed cold by a technician. Early evaluation helps prevent derating that affects range and performance.

• Dashboard alerts related to thermal management
• Reduced charging or power output under load
• Coolant level drop or visible residue at hose joints

We inspect reservoirs, hoses, fittings, pumps, valves, heat exchangers, and fans, test for leaks, and verify temperature control and flow with OEM diagnostics.

Technicians confirm proper actuation of pumps and valves, check condenser/chiller condition, and review scan data for target temperatures and deltas across the battery and drive components. If a top-off is needed, only the manufacturer‑specified coolant for this vehicle is used. Findings determine next steps and any parts replacement.

• Visual inspection and leak testing of EV cooling loops
• Operational checks of pumps, valves, and fans
• Scan‑tool validation of temperatures and system commands

The manufacturer publishes the maintenance schedule for this vehicle, and that schedule governs change intervals, with coolant condition tested at service visits between those points.

Appearance alone doesn’t reveal additive health, so technicians rely on the schedule and condition checks to advise you. If inspection shows contamination, leaks, or performance concerns, service may be recommended sooner. Ask us to review your maintenance booklet and test results during your visit.

• Follow the published Hyundai schedule for this model
• Use condition testing to guide interim decisions
• Address leaks or faults immediately if found

The manufacturer specifies a coolant type for this vehicle, coolants are not interchangeable, and colour is not a reliable guide to what’s in the bottle.

Using a non‑approved coolant can reduce additive protection or react with the existing fluid. For accuracy, technicians reference the IONIQ 5 service information and fill only with coolant that meets the required specification for this model. If a top-off is needed, it is matched to the system in the vehicle.

• Use only the manufacturer‑specified coolant type
• Do not select coolant by colour
• Let a technician confirm compatibility before adding

Topping off restores level but does not refresh the additive package, and a level that keeps dropping indicates a leak that needs inspection.

Because the system is pressurized and can be hot, checks should be done cold and by a professional. If fluid is required, it must match the IONIQ 5’s specification. Repeated low levels, residue, or odors point to seepage that should be addressed to protect charging performance and component life.

• Have the system inspected if the level drops
• Only add the manufacturer‑specified coolant
• Schedule an evaluation to prevent damage

You can schedule service online or call {{rooftop.phone}} to book an appointment for your 2023 Hyundai IONIQ 5.

Use our online tool to choose a time, add notes, and request transportation options if available. Check current service specials before you book. Our team will confirm your visit and review any thermal management concerns when you arrive in Peoria.

• Book via our online scheduler in minutes
• Call for assistance with appointment options
• Review specials before confirming your visit