That depends on the reason why it's coming on.
You will have to drive it until it comes on.
A reset Engine Service Light comes on when an issue comes up with in the engine. This light can be reset by a tech or by fixing the problem.
You can drive your car with the yellow 'service engine' light on the dashboard, but it is not recommended. This light warns you of the need to have the engine serviced.
It is safe to drive you car for at least one mile after the check engine light comes on.
The light that comes on when 4 wheel drive is engaged is not the service light. It is just an indicator light that comes on to let you know the 4 wheel drive is engaged. It will go off when the 4 wheel drive is disengaged.
If the light is not flashing you can drive it until you can have it repaired. If the check engine light is flashing, park it. Otherwise you will do catastrophic damage to the catalytic converter costing several hundreds of dollars to replace.
i have replaced the plugs and wires and my service engine light comes again in 2004 land rover discovery
The light is NOT a low oil light. It is a low OIL PRESSURE light. You can drive it until the engine seizes. Of course internal engine damage will start to occur as soon as the light comes on and you have no oil pressure if you continue to drive the vehicle.
on some cars, the service engine light comes and no code is present when a headlight is out
Service required is the oil change reminder. Service engine soon would be the check engine light.
The service engien light (check engine) comes on when the engine computer detects a malfunction and sets a code. You need to have the codes read, diagnosed and repaired to keep the light off.The service engien light (check engine) comes on when the engine computer detects a malfunction and sets a code. You need to have the codes read, diagnosed and repaired to keep the light off.
service engine soon light comes on