Which light is on?
Tap the symbol you see on your dash. You get what it means, how urgent it is, and what we would do about it, the same way we would explain it at the counter. Written for BMW; the symbols are shared across Mercedes-Benz, Audi, Porsche, VW, and MINI.
- Stop nowPull over safely, shut the engine off, and call. Continuing to drive risks engine or safety-system damage.
- Check this weekSafe to drive to the shop directly. Do not sit on it for weeks.
- Schedule serviceNot an emergency. Book a visit at the next convenient time.
Check Engine Light
Also shown as: Engine Malfunction · MIL · Service Engine Soon · Emissions
- What it means
- The engine or emissions control computer has logged a fault: anything from a loose gas cap or failing oxygen sensor to a misfire, VANOS fault, or a leaking intake boot. Steady means log it and get it read. Flashing means an active misfire that can damage the catalytic converters.
- What to do right now
- Steady: drive normally and get the code read this week. Flashing: ease off the throttle, avoid hard acceleration, and get to the shop directly or stop if the car runs badly.
- What we do about it
- Read the fault memory with factory-level diagnostics, look at freeze-frame data and live values, and find the cause rather than clearing the code. You get a call with what it is, what it costs, and whether it can wait.
Mon – Fri, 9:00 AM – 5:00 PM. Text or call for same-week diagnosis.
Oil Pressure Warning
Also shown as: Red oil can · Engine oil pressure too low · Stop engine
- What it means
- Oil pressure has dropped below the minimum the engine needs to protect its bearings and camshafts. This is the most serious lamp on the cluster; seconds matter.
- What to do right now
- Pull over immediately, shut the engine off, and do not restart it. Check the oil level once the engine has sat a few minutes. Call for a tow if the level is fine or the light returns.
- What we do about it
- Check level and oil condition, test actual pressure with a mechanical gauge, and inspect the oil pump, pickup, filter housing, and pressure sensor before anything is replaced.
If the car is not safe to drive, call and we will help arrange a tow to the shop.
Coolant Temperature / Overheating
Also shown as: Engine overheated · Red thermometer · Coolant level low · Drive moderately
- What it means
- The engine is running hotter than its safe range or the coolant level has dropped. On European engines with aluminum heads, overheating for even a few minutes can warp the head or crack a plastic coolant component. Common Central Valley causes: a failed electric water pump, thermostat, expansion tank, or hose.
- What to do right now
- Turn the heater on full, pull over as soon as it is safe, and shut the engine off. Do not open the expansion tank while hot. Call for a tow rather than limping it home in summer heat.
- What we do about it
- Pressure-test the cooling system, check the water pump and thermostat operation with the scan tool, inspect the expansion tank and hoses, and bleed the system with the factory procedure after repair.
If the car is not safe to drive, call and we will help arrange a tow to the shop.
Battery / Charging System
Also shown as: Red battery · Increased battery discharge · Charging malfunction
- What it means
- The alternator is not charging, or the charging circuit has a fault. The car is running on the battery alone and will shut down when it is drained, typically within a short drive.
- What to do right now
- Turn off everything non-essential and drive directly to the shop if it is close. If the car starts losing power or dimming, pull over before it stalls in traffic.
- What we do about it
- Test the alternator output, battery condition, belt, and wiring, and register a new battery to the car's power management system if one is needed.
Mon – Fri, 9:00 AM – 5:00 PM. Text or call for same-week diagnosis.
Brake System Warning
Also shown as: Red brake circle · Brake fluid low · Parking brake · Brake malfunction
- What it means
- Either the parking brake is applied, brake fluid is low, or the hydraulic brake system has a fault. If the parking brake is off and the lamp is red, treat it as a real brake problem.
- What to do right now
- Release the parking brake. If the lamp stays on, test the pedal gently at low speed. If it feels soft or long, stop and call for a tow.
- What we do about it
- Inspect fluid level and condition, pads and rotors, calipers, lines, and the brake pressure sensor; flush the fluid if it is old or contaminated.
If the car is not safe to drive, call and we will help arrange a tow to the shop.
Brake Pad Wear
Also shown as: Brake pads worn · Brake wear indicator · Yellow brake circle
- What it means
- A wear sensor embedded in a brake pad has worn through, telling the car the pads are near their minimum thickness. Brakes still work normally for now.
- What to do right now
- Book a brake service in the next few weeks. Do not wait until you hear grinding, which means the rotors are being damaged.
- What we do about it
- Replace pads with OEM-spec parts, measure the rotors and tell you honestly if they can be reused, fit new wear sensors, and reset the service indicator.
Mon – Fri, 9:00 AM – 5:00 PM. Text or call for same-week diagnosis.
ABS Warning
Also shown as: Anti-lock brakes · ABS malfunction · DSC failure with ABS
- What it means
- The anti-lock braking system has a fault, most often a wheel speed sensor, a failing hub bearing disturbing the sensor, or the ABS module itself. Normal braking still works; anti-lock and stability control do not.
- What to do right now
- Drive gently and leave extra following distance. Get it diagnosed this week; ABS faults often bring on DSC and other warnings too.
- What we do about it
- Read the ABS module, check live wheel speed data, test sensors and wiring, and inspect the hub bearings before replacing parts.
Mon – Fri, 9:00 AM – 5:00 PM. Text or call for same-week diagnosis.
Tire Pressure Monitor (TPMS / RDC)
Also shown as: Flat tyre monitor · RDC malfunction · Tire pressure low
- What it means
- One or more tires has lost pressure, or the monitoring system has a fault. Visalia summers and cold mornings swing tire pressures enough to trigger it seasonally.
- What to do right now
- Pull over and look at all four tires. If one is visibly low, inflate or change it. If pressures are fine and the lamp stays on, the system needs a reset or a sensor.
- What we do about it
- Check pressures and tire condition, read the RDC sensors, replace failed sensors, and reset the system.
Mon – Fri, 9:00 AM – 5:00 PM. Text or call for same-week diagnosis.
DSC / Traction Control
Also shown as: Dynamic Stability Control · DTC · Car with skid marks · Stability control malfunction
- What it means
- Flashing while driving is normal: the system is actively controlling a slip. Steady on means DSC is switched off or has a fault, frequently alongside an ABS fault, a steering angle sensor issue, or a brake light switch.
- What to do right now
- Check that DSC was not switched off by the button. If it stays on, drive with care in the wet and have it diagnosed this week.
- What we do about it
- Read the DSC module, check the related sensors, and calibrate the steering angle sensor if required.
Mon – Fri, 9:00 AM – 5:00 PM. Text or call for same-week diagnosis.
Airbag / SRS
Also shown as: Passenger restraint system · Seat occupancy sensor · Airbag malfunction
- What it means
- The airbag control module has detected a fault and may have disabled one or more airbags. Common causes on European cars include seat occupancy sensors, seat-belt buckle switches, and connectors under the seats.
- What to do right now
- The car is drivable, but a disabled airbag is a safety issue. Have it diagnosed this week.
- What we do about it
- Read the airbag module, test the flagged circuit, repair the sensor or connector, and clear the crash-related fault memory.
Mon – Fri, 9:00 AM – 5:00 PM. Text or call for same-week diagnosis.
Steering System
Also shown as: Power steering malfunction · Steering wheel with exclamation · Active steering
- What it means
- The electric or hydraulic power steering has a fault. Amber usually means reduced assist; red can mean a loss of assist, which makes the car very heavy to steer at low speed.
- What to do right now
- If the wheel is still light, drive carefully to the shop. If steering has become heavy or erratic, stop safely and call for a tow.
- What we do about it
- Read the steering module, check the pump or electric rack, fluid (if hydraulic), and the wiring and power supply.
If the car is not safe to drive, call and we will help arrange a tow to the shop.
Service Due / Condition Based Service
Also shown as: Wrench symbol · CBS · Service interval · Oil service due · Brake fluid due
- What it means
- The car's maintenance computer says a service item is due: engine oil, brake fluid, microfilter, spark plugs, or a vehicle check. Not a fault, but ignoring it shortens the life of the components involved.
- What to do right now
- Book the service at your convenience, ideally within a few hundred miles of the reminder.
- What we do about it
- Perform the due service with factory-approved fluids and OEM filters, reset the indicator correctly, and look at the model's known trouble spots while the car is in the bay.
Mon – Fri, 9:00 AM – 5:00 PM. Text or call for same-week diagnosis.
Low Engine Oil Level
Also shown as: Yellow oil can · Add 1 quart of oil · Oil level MIN
- What it means
- The oil level sensor reads the level at or below minimum. Modern BMWs have no dipstick, so this lamp is the dipstick. A car that needs oil between services is usually leaking or burning it.
- What to do right now
- Add the specified oil grade soon (typically one quart). If the lamp returns within a few hundred miles, have the leak or consumption diagnosed.
- What we do about it
- Verify the level, then find where the oil is going: valve cover, oil filter housing, oil pan gaskets, or consumption through the PCV or piston rings.
Mon – Fri, 9:00 AM – 5:00 PM. Text or call for same-week diagnosis.
Drivetrain Malfunction
Also shown as: Reduced power · Half engine symbol · EML · Drive moderately
- What it means
- The engine or transmission computer has limited power to protect the drivetrain. Frequent causes on turbocharged BMWs: a misfire, a boost leak, a failing high-pressure fuel pump, an ignition coil, or a transmission fault.
- What to do right now
- The car will feel slow but is usually safe to drive gently to the shop. Avoid hard acceleration. If it shakes or stalls, stop.
- What we do about it
- Read the fault codes and freeze frames, check fuel pressure and boost live, and identify the failing component rather than guessing.
Mon – Fri, 9:00 AM – 5:00 PM. Text or call for same-week diagnosis.
Not seeing your lamp, or seeing several at once? Multiple warnings usually share one cause, often a failing wheel speed sensor or a weak battery. Call (559) 543-9624 and describe what you see, or read what to do about a check engine light.
Notes on these lights
Light on? Bring the car, not the code.
We read every module with factory-level tools and call you with what it is before anything is replaced.