The trailer turn signals lamp illuminates, as a bulb check, when the vehicle's ignition is switched on. The lamp extinguishes when the engine is started.
The trailer turn signals lamp illuminates, as a bulb check, when the vehicle's ignition is switched on. The lamp extinguishes when the engine is started.
If a trailer is attached, the warning lamp flashes in conjunction with the turn signal warning lamp. If the lamp fails to flash, the turn signal bulb on the trailer may be faulty.
If a connected trailer is fitted with LED lights, the bulb check may not be performed.