Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Service Interval Indication
On all models except 7-series, service interval indicator consists either of colored LED blocks or actual mileage remaining until next service. Service indicator (which displays OIL SERVICE, INSPECTION I or INSPECTION II) can be reset using the reset mode in the instrument cluster. See SERVICE INTERVAL LIGHT RESET (ALL MODELS EXCEPT 7-SERIES) .
The 7-series models use a Condition Based Service (CBS) service interval system, which displays a Service Need Display (SND). When ignition is on, Service Need Display appears under the speedometer in the instrument cluster for 10 seconds in the place where the fuel tank level is normally displayed. The first line corresponds to the mileage dependent service items. It specifies the mileage when the next service is due. If the mileage is exceeded (service overdue), it appears with a minus sign. The second line corresponds to the time dependent service items and is displayed by a clock symbol. It specifies the weeks/months/ years when the next service is due. If the service is overdue, it appears with a minus sign. The actual service item (with additional information) can be viewed in the control display. For 7-series reset procedure, see CONDITION BASED SERVICE (CBS) LIGHT RESET (7-SERIES) . For 7-series service maintenance intervals, see 7-SERIES SERVICE MAINTENANCE CHECKLIST .
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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