1. Check Engine Light (CEL):
- Indicates a problem with the engine or emission control systems. It requires immediate attention and may signify issues with the engine, fuel system, or emission sensors.
2. ABS (Anti-lock Braking System) Warning Light:
- Indicates a malfunction in the anti-lock braking system. It's essential to have the ABS system diagnosed and repaired as it affects the vehicle's braking capabilities.
3. Brake Warning Light:
- Usually accompanied by the "BRAKE" or "!" symbol. Indicates a problem with the braking system, such as low brake fluid levels or issues with the brake pads, calipers, or master cylinder.
4. Airbag Warning Light:
- Indicates a problem with the airbag system. It requires immediate attention as the airbags might not deploy properly in the event of an accident.
5. Coolant Temperature Warning Light:
- Signifies that the engine is overheating. It's crucial to stop the vehicle safely and allow the engine to cool down. Avoid continued driving to prevent engine damage.
6. Oil Pressure Warning Light:
- Indicates low oil pressure in the engine. This light requires immediate attention as continued driving with low oil pressure can cause severe damage to the engine.
7. Fuel Level Warning Light:
- Indicates a low fuel level and warns you to refuel soon to avoid running out of fuel.
8. Battery Warning Light:
- Indicates a problem with the vehicle's charging system, such as low battery voltage, alternator malfunction, or issues with the wiring.
9. Headlight Warning Light:
- Alerts you to a malfunction with the vehicle's headlights or taillights.
10. Traction Control (TCS) Warning Light:
- Indicates a problem with the traction control system, which assists in maintaining vehicle stability during acceleration and slippery road conditions.
It's important to note that not all warning lights may be present in all 1997 Volvo 850R models, and some additional lights may be specific to certain trim levels or optional equipment. If any warning lights illuminate while driving, refer to your vehicle's owner's manual for further information and recommended actions. It's always advisable to have your vehicle checked by a qualified mechanic if you have concerns about any warning lights or vehicle issues.