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Which dash lights illuminate on start?

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YOUR RESEARCHWhich dash lights illuminate on start?

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Install either

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Performed · outcome unconfirmed · Original poster

I guess I don't have PSM installed either because I don't have that option code under the hood.

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Which dash lights illuminate on start?
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Leading evidence: 'Install either' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'detected' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Install either' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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detected

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Suspected cause · Original poster

I simply don't know if the PSM and FUEL CAP lights are supposed to illuminate at start or if they only do it when an issue is detected.

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Which dash lights illuminate on start?
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Install either

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Unsuccessful attempts
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Discussions that performed work without a confirmed outcome
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0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed · Original poster

I guess I don't have PSM installed either because I don't have that option code under the hood.

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Which dash lights illuminate on start?
Reported and suspected causes (1)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

detected

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Identified cause
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Suspected cause · Original poster

I simply don't know if the PSM and FUEL CAP lights are supposed to illuminate at start or if they only do it when an issue is detected.

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Which dash lights illuminate on start?
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Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

3 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 1 discussions

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Generation: 20261026T183130Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I ask because when I initially turn the key before actually starting the engine, all of my dash warning lights illuminate except for "PSM OFF", "FUEL CAP", the spoiler light and the seat belt logo. My car is a 1999 996 with factory aero kit, so I don't know if the spoiler light is still supposed to light up. I'm assuming the seat belt light is burned out. I simply don't know if the PSM and FUEL CAP lights are supposed to illuminate at start or if they only do it when an issue is detected. Here is a pic of the lights that illuminate.

POST 2Original post

My 99 aero spoiler lights stays lit after starting until I reach 5mph. Besides my perpetual airbag light, that is all. Seatbelt light if not buckled of course. I don't have PSM and didn't know about the gas cap light. I may not have that option.

POST 3 / ORIGINAL POSTEROriginal post

Yeah the fuel cap light bulb may not even be installed, but I can see the logo of the light when I shine a flashlight on the dash. I have LSD on the car with traction control, and my TC light works as it should. I guess I don't have PSM installed either because I don't have that option code under the hood.

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