roof VOLKSWAGEN JETTA 2017 Owner's Manual

The air conditioner is most efficient when the windows and the power sunroof are closed. If the vehicle is stationary and the passenger compartment becomes very hot due to sunlight, briefly opening the windows and the power sunroof may speed up the cooling process.
Keep the air intake slots in front of the windshield free of ice, snow, and leaves so that the heating and ventilation systems can work properly.
Settings for optimum visibility
When you switch on the cooling system, both the temperature and humidity in the vehicle are reduced. This will help make passengers feel more comfortable and help keep the windows from fogging up.
For manual air conditioning
x Switch off the air recirculation ⇒  Air recirculation.
x Set the fan to the desired speed.
x Turn the temperature knob to the center position.
x Open and adjust all air vents in the instrument panel ⇒  Air vents.
x Turn the air distribution knob to the desired setting.
x Push the !

Vehicles with push-button start
If the ignition will not start after reconnecting the vehicle battery, lock the vehicle from the outside and
unlock it again ⇒  Power locking system. Then try to start the ignition again. If the ignition cannot be switched on, contact an authorized Volkswagen dealer, an authorized Volkswagen Service Facility, or another qualified workshop for assistance.
Automatic electrical load deactivation
If the vehicle battery drain is high, the intelligent onboard electrical system management automatically takes steps to help prevent battery drain.
x The idle speed is increased so that the alternator provides more power.
x The power to devices that consume a lot of electricity is cut back or switched off completely.
x When the engine is started, the power supply to the 12 Volt sockets is temporarily interrupted.
The onboard electrical system management cannot always keep the battery from being drained. For example, the battery will drain if the engine is not running, but the ignition is switched on or the parking lights are left on for a long time when parked.
What drains the vehicle battery?
x Long periods when the engine is not running, especially when the ignition is on.
x Using electrical systems or devices when the engine is switched off.
x Leaving the vehicle unlocked for several days when not in use.
x The selector lever is left for a long period of time in any position other than Park (P) when the
ignition is switched off ⇒  Automatic transmission: Selector lever.
WARNING
Failure to use the proper battery with proper mounting and connections may cause short circuits, fires, and serious personal injuries.
x Always use only maintenance-free or cycle-free, leak-proof batteries with the same speci-fications and dimensions as the original equipment battery. Specifications are listed on the battery housing.
WARNING
When the vehicle battery is charged, it produces highly explosive hydrogen gas.
x Charge vehicle batteries only in well-ventilated areas.
x Never charge a frozen or thawed battery. A dead battery can freeze at temperatures around +32 °F (0 °C).
x You must replace the vehicle battery if it was frozen.
x Incorrectly connected cables can cause a short-circuit. First connect the positive cable (+) and then the negative cable (-).
NOTICE
x Never disconnect the vehicle battery or connect 2 vehicle batteries to each other when the ignition is switched on or the engine is running. Doing this may damage the electrical system or electronic components.
x Never use a vehicle battery that does not meet the specifications for the vehicle battery for your vehicle. Using the wrong battery can damage the electrical system or electronic compo-nents and cause electrical malfunctions.

WARNING
Undercoating and rustproofing products can catch fire on the hot exhaust system or any other hot engine component.
x Never apply additional undercoating or rust proofing on or near the exhaust manifold, the exhaust pipes, the catalytic converter, the heat shields, or any other hot vehicle component.
Cleaning the engine compartment

Before you try to use emergency closing procedures to close the power sunroof, please wait several minutes to make sure that the motor has not been temporarily turned off by the overheating protection feature.
If you must perform an emergency closing, please do so in the following order:
1. Remove the cover in direction of the arrow ⇒ fig. 180.
2. Insert a commercially available 1/6 in. (4 mm) Allen wrench5 into the hexagonal head screw
⇒ fig. 181 (1).
3. Turn the wrench counterclockwise to close the power sunroof.
4. Install the cover again.
5. Have the power sunroof checked by an authorized Volkswagen dealer or an authorized Volkswagen Service Facility. Emergency closing may cause the power sunroof and its pinch pro-tection to malfunction.
Emergency release for the selector lever lock

Fig. 182 Removing the selector gate cover.

Fig. 183 Releasing the selector lever lock.
5 Not included with the vehicle tool kit.