How does the seat heater on a GM SUV work?
Power is supplied to the seat heater elements by the door modules. Ground for the heater elements is pulse width modulated so the module can vary the on/off time of the circuit and thereby adjust the heat.
What does it mean when heated seats Don’t Turn on?
In the heated seats don’t turn on scenario, the driver can push the heated seats button and the heaters will not come on. But if the driver turns the key to OFF and then back to ON, they will work. Other times, the heated seats will turn on normally.
What is the problem with intermittent heated seats?
So the problem is intermittent heated seats that may include trouble code B3941. The B3941 front seat heaters circuit trouble code sets with the driver’s door module (DDM) or passenger door module (PDM) detects that the voltage to the seat heater element is shorted to ground.
When does the seat heater turn off on a LB7?
In other cases on some LB7 diesel engine vehicles, the driver can request heated seats and they turn off during the first 10 minutes. However, this only happens on the first seat heat request of the day. After that, on additional trips, the seat heater will come on and stay on as normal. Or, the problem may occur intermittently.
How does car wash mode work on a GMC Terrain?
1 . Press theL (Low)button . 2 . Press the + (plus)or – (minus)button to increase or decrease the gear range available . The current gear is displayed on the Driver Information Center . If vehicle speed is too high or low for the requested gear, the shift will not occur . CAR WASH MODE
How does remote start auto cool seats work?
Remote Start Auto Heated/Ventilated SeatsF: or Remote Start Auto Cool Seats option in the Vehicle Settings to have the heated or ventilated seats turn on during a remote start . The seat button indicators do not illu- minate and the temperature performance of the unoccupied seats may be reduced during a remote start . KEYLESS ACCESS SYSTEM
How does accessory mode work on a GMC Terrain?
STOPPING THE ENGINE/OFF Shift to Park and press the ENGINE START/STOPbutton to turn off the engine. Power will be available for 10 minutes to operate the audio system until the driver’s door is opened and to operate the windows and sunroofFuntil any door is opened . ACCESSORY MODE
How does auto stop work on a GMC Terrain?
While driving, when the brake pedal is applied and the vehicle is at a complete stop, the automatic stop/start system may turn off the engine, depending on operating conditions. When the engine is off, the tachometer gauge will read AUTO STOP. Upon releasing the brake pedal or applying the accelerator pedal, the engine will restart .