Owner's Manual Cadillac BLS - IFS Europe BV

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460_OM_MY09.book Page 128 Wednesday, April 2, 2008 10:32 AM 128 Starting and driving Cars with diesel engine 3 At very low temperatures, you may need to run the starter motor for up to 60 seconds. Allow the engine to idle for about 10 seconds. Do not apply full throttle for at least 2–3 minutes after starting. To facilitate starting when coolant temperature is low, and to reduce exhaust emissions, there is a preheater plug in every cylinder. The indicator light "Indicator, glow plug (cars with diesel engine)" comes on when the remote control is turned to position 3 if coolant temperature is below +5 °C, see page 67. How long the glow filament operates depends on the coolant temperature. At +4 °C it will be engaged for about 1 second, while at –20 °C it will be engaged for about 10 seconds. Starting in cold climates (diesel engines) If the car is to be used in a cold climate for an extended period of time, we recommend the use of an engine heater. At very low temperatures (below –25 °C), run the starter motor until the engine is running at about 1,000 rpm under its own power. Even if you detect the beginnings of ignition after only a few seconds, it may be necessary to run the starter motor a good deal longer to get the engine running by itself. You may need to run the starter motor for up to 60 seconds. Refer also to "Driving in cold climates" on page 160. Petrol engine designed for E85 3 When the temperature is about 0 °C or lower • If possible, use the engine heater – When starting from cold between –10 and –20 °C the engine heater should be engaged for about 1 hr. before starting. If the temperature is considerably lower than –20 °C then the engine heater should be engaged considerably longer before starting. – Using the engine heater at temperatures above –10 °C is good for the environment and for fuel consumption. • If the engine heater cannot be used – When the temperature is about –10 °C or lower then a greater proportion of petrol should be used to avoid the car being more difficult to start. Starting in hot weather • Start the engine in the normal way.
460_OM_MY09.book Page 129 Wednesday, April 2, 2008 10:32 AM Important considerations for driving Cars with turbo petrol engine 1 Starting and driving. • Do not use full throttle until the engine is warm, so as to avoid unnecessary wear. If the needle of the turbo gauge repeatedly enters the red zone, the engine may suddenly lose power due to the initiation of a monitoring system that limits the boost pressure. We recommend that you contact an authorised Cadillac workshop immediately. • Under certain barometric conditions (high outside temperature and/or high altitude) the needle may enter the first part of the red zone without necessarily indicating that a fault has arisen. • A protective function (interruption of the fuel supply) limits the engine speed. 2 Stopping the engine. • Do not rev the engine immediately before switching it off - stop the engine when it is idling. 3 Boost pressure regulation. • The system is optimised for RON 95, but for 2.8 V6 RON 98 is used. One of the advantages of boost pressure regulation is that the engine can also be run safely on petrol with a lower octane rating, although not lower than 91 RON, without damaging the engine. However, engine performance will fall slightly and heavy loading and labouring should be avoided. For optimum performance, use the recommended grade of fuel. • The maximum boost pressure is regulated according to the tendency of the engine to knock. Short-lived knocking is perfectly normal. This can occur when the engine is running at about 3000 rpm under a heavy load. The extent of this knocking will depend on the grade of fuel in the tank. • Isolated instances of knocking can occur with low-octane fuel. This controlled form of knocking, followed by a reduction in the boost pressure, is a sign that the control system is working normally, and is perfectly safe for the engine. NOTICE Starting and driving 129 • If the engine sounds strange there is a malfunction. We recommend that you contact an authorised Cadillac workshop. • The use of fuel with too low an octane rating can cause serious engine damage. Limited performance. The light 3 comes on in the event of an engine or gearbox fault (cars with automatic gearbox), which can cause driveability problems but does not affect exhaust emission. The car can still be driven but perhaps with limited performance. Contact a workshop when you find it suitable. We recommend that you contact an authorised Cadillac workshop.
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Owner's Manual Cadillac BLS - IFS Europe BV

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