Detailed below are the dashboard warning lights for VOLVO Trucks. Faults detected that require immediate action are typically red and may illuminate alongside an audible buzzer to draw attention of vehicle operator. For certain dashboard symbols, it’s important to take immediate action as the safety of driver and other road users may be compromised.
| Symbol | Name | Urgency | Description | Action |
 | STOP | Severe | On Volvo Trucks, the illumination of the red STOP triangle containing an exclamation mark indicates a serious fault. If the engine is on, a buzzer will also sound. This symbol may illuminate alongside other symbols and a message in the Driver Information Display (DID). | Failure to stop as soon as possible may result in the engine shutting down. |
 | CHECK | Medium | The CHECK warning light symbol comes on when there's a specified fault that the vehicle operator should be made aware of. This light indicates an electrical or mechanical fault along with a message in the Driver Information Display (DID). | If the CHECK light comes on, acknowledge any other warnings lights an display messages.
In the instance that air pressure is low and remaining air volume may not be sufficient for repeated braking. The emergency brakes my engage, causing a wheel lockup and loss of vehicle control. Bring the vehicle to a controlled stop. |
 | Information | Low | The 'i' or information indicator light will come on the dashboard when there's a new information message. This may be due to abnormal status detected by the electronic control unit. A text in the DID may show along with the 'i' symbol. | Check informational texts and ensure the fault is looked into at the next stop. |
 | Coolant Temperature | High | This coolant temperature typically illuminates in red when engine coolant is overheating. The ECU may take preventative action - engine power output may be reduced and engine may shut down when idle. Due to excessive coolant temperatures, the engine may shut down and can only be restarted for 30 seconds. | It is advisable to slow down and wait if the light goes out. Have coolant levels checked and look for leaks as soon as safely possible. |
 | Coolant Level | Medium | The VOLVO Trucks coolant level indicator light comes on if the coolant level is low. | Check coolant levels and top up at next stop. |
 | Oil Pressure | Severe | The VOLVO Truck may experience severe engine damage due to low oil pressure indicated by the red low engine oil pressure symbol. The ECU may take preventative action by reducing engine performance by 50% or shutting down the engine when idle. | It's advisable to stop when safe to do so and have vehicle inspected. Continued driving may result in mechanical damage. |
 | Oil Level | Medium | This symbol illuminates on the VOLVO Truck dashboard, typically in amber indicating low engine oil level. | Check and top up engine oil at your next stop. |
 | Oil Temperature | High | Symbol illuminates possible alongside the STOP warning triangle. It indicates that the engine oil temperature is too high. | It's advisable to reduce speed and stop as soon as safely possible to allow oil temperature to reduce. |
 | Preheat | Medium | This symbol indicates a fault in the diesel engine preheating system. | |
 | VEB | Medium | This symbol indicates that the engine is too cold for engine braking, or VEB (VOLVO Engine Brake) | |
 | Transmission Oil Temp | High | This light illuminates on the VOLVO Truck dashboard indicating high transmission oil temperature. | To avoid transmission failure, it's advisable to stop as soon as safely possible to allow the transmission to cool. |
 | Transmission Failure | High | This symbol indicates a failure with the transmission. | |
 | Brake Pressure / ABS | High | This symbol indicates that there is low brake pressure or ABS fault. | |
 | Air Dump | Medium | Air dump. | |
 | Engine Idle | Low | Engine idle shut down icon. | |
 | Air Filter | Medium | Air filter restriction. | |
 | Air Suspension | Medium | This symbol illuminates on the VOLVO Truck dashboard indicating a warning with the air suspension pressure. | |
 | Wheel Spin | Low | Wheel spin indication symbol. | |
 | 5th Wheel | Medium | 5th Wheel unlocked dash symbol. | |
 | Voltage Meter | Medium | The battery symbol is an indication of the battery meter. | |
 | Voltage Warning | High | The battery and exclamation mark symbol is an indication of a battery voltage warning. | |
 | SRS | High | This symbol, typically associated with airbags is an indication of a SRS (Supplemental Restraint System) fault. | |
 | Main Beam Fault | Medium | This VOLVO Trucks symbol indicates a fault with vehicle headlights main beam. | |
 | Interaxle | | Interaxle lock symbol. | |
 | Differential lock | | Volvo Trucks Differential lock Dashboard Warning Light Symbol. | |
 | Brake Light Fault | High | This symbol indicates a fault in the brake lights. | |
 | Indicators Fault | High | This symbol indicates a fault in the indicators. | |
 | Freezing | Medium | The snowflake is a warning of freezing conditions. | |
 | Outside Temperature | Low | This VOLVO Truck symbol is an indication of the outside temperature. | |
 | Air Application | | Air Application. | |
 | Intake Manifold | | Volvo Trucks Intake Manifold Pressure dashboard warning light symbol. | |
 | Axle Temperature | | Volvo Trucks axle temperature dashboard warning light symbol. | |
 | Exhaust Temp | Medium | Volvo Trucks high exhaust system temperature dashboard warning light symbol. | |
 | Water in Fuel | | Water in fuel dashboard light. | |
 | Aftertreatment Regeneration | | Aftertreatment Regeneration dashboard symbol. | |
